diff --git a/src/AppBundle/Controller/DefaultController.php b/src/AppBundle/Controller/DefaultController.php
index 4447d733..cca86721 100755
--- a/src/AppBundle/Controller/DefaultController.php
+++ b/src/AppBundle/Controller/DefaultController.php
@@ -9,7 +9,7 @@ use Sensio\Bundle\FrameworkExtraBundle\Configuration\Route;
 use Symfony\Bundle\FrameworkBundle\Controller\Controller;
 use Symfony\Component\HttpFoundation\JsonResponse;
 use Symfony\Component\HttpFoundation\Request;
-use Symfony\Component\HttpFoundation\StreamedResponse;
+use Symfony\Component\HttpFoundation\Response;
 use Symfony\Component\Security\Csrf\CsrfTokenManagerInterface;
 
 class DefaultController extends Controller {
@@ -257,77 +257,89 @@ class DefaultController extends Controller {
 		$mySellings  = $sellingRepo->findByUser( $currentUser->getId() );
 
 		$fileName = "export_caisse-cipherbliss_" . $currentUser->getUsername() . '_' . date( 'Y-m-d_H-i-s' );
-		$file     = fopen( $fileName . '.csv', 'w' );
 
+		$handle    = fopen( 'php://memory', 'r+' );
+		$firstLine = [
+			'product sold id',
+			'date',
+			'hour',
+			'min',
+			'sec',
+			'client comment',
+			'client paid',
+			'product name',
+			'product image',
+			'product category id',
+			'product category name',
+			'product price',
+			'festival id',
+			'festival name',
+			'festival creation date',
+			'caisse before',
+			'caisse after',
+			'festival ca',
+			'festival comment',
+		];
 // save the column headers
-		fputcsv( $file,
-			[
-				'product sold id',
-				'date',
-				'hour',
-				'min',
-				'sec',
-				'client comment',
-				'client paid',
-				'product name',
-				'product image',
-				'product category id',
-				'product category name',
-				'product price',
-				'festival id',
-				'festival name',
-				'festival creation date',
-				'caisse before',
-				'caisse after',
-				'festival ca',
-				'festival comment',
-			] );
+		fputcsv( $handle,
+			$firstLine );
 
-
-		$response = new StreamedResponse();
-		$response->setCallback( function () {
-
-			$chiffreAffaires = 0;
-			foreach ( $mySellings as $sellRecord ) {
-				foreach ( $sellRecord->getProductsSold() as $productSold ) {
-					$chiffreAffaires += $productSold->getPrice();
-					// add a line to the csv file
-					fputcsv( $file,
+		$chiffreAffaires = 0;
+		foreach ( $mySellings as $sellRecord ) {
+			foreach ( $sellRecord->getProductsSold() as $productSold ) {
+				$chiffreAffaires += $productSold->getPrice();
+				// add a line to the csv file
+				fputcsv( $handle,
+					[
+						$productSold->getId(),
+						$sellRecord->getDate()->format( 'c' ),
+						$sellRecord->getDate()->format( 'H' ),
+						$sellRecord->getDate()->format( 'i' ),
+						$sellRecord->getDate()->format( 's' ),
+						$sellRecord->getComment(),
+						$sellRecord->getPaidByClient(),
+						$productSold->getName(),
+						$productSold->getImage(),
+						$productSold->getProduct()->getCategory()->getId(),
+						$productSold->getProduct()->getCategory()->getName(),
+						$productSold->getPrice(),
+					] );
+				if ( $sellRecord->getFestival() ) {
+					fputcsv( $handle,
 						[
-							$productSold->getId(),
-							$sellRecord->getDate()->format( 'c' ),
-							$sellRecord->getDate()->format( 'H' ),
-							$sellRecord->getDate()->format( 'i' ),
-							$sellRecord->getDate()->format( 's' ),
-							$sellRecord->getComment(),
-							$sellRecord->getPaidByClient(),
-							$productSold->getName(),
-							$productSold->getImage(),
-							$productSold->getProduct()->getCategory()->getId(),
-							$productSold->getProduct()->getCategory()->getName(),
-							$productSold->getPrice(),
+							'',
+							'',
+							'',
+							'',
+							'',
+							'',
+							'',
+							'',
+							'',
+							'',
+							'',
+							'',
+							$sellRecord->getFestival()->getId(),
+							$sellRecord->getFestival()->getName(),
+							$sellRecord->getFestival()->getDateCreation()->format( 'c' ),
+							$sellRecord->getFestival()->getFondDeCaisseAvant(),
+							$sellRecord->getFestival()->getFondDeCaisseApres(),
+							$sellRecord->getFestival()->getChiffreAffaire(),
+							$sellRecord->getFestival()->getComment(),
 						] );
-					if ( $sellRecord->getFestival() ) {
-						fputcsv( $file,
-							[
-								$sellRecord->getFestival()->getId(),
-								$sellRecord->getFestival()->getName(),
-								$sellRecord->getFestival()->getDateCreation()->format( 'c' ),
-								$sellRecord->getFestival()->getFondDeCaisseAvant(),
-								$sellRecord->getFestival()->getFondDeCaisseApres(),
-								$sellRecord->getFestival()->getChiffreAffaire(),
-								$sellRecord->getFestival()->getComment(),
-							] );
-					}
-
 				}
-			}
-			fclose( $file );
-		} );
-		$response->setStatusCode( 200 );
-		$response->headers->set( 'Content-Type', 'text/csv; charset=utf-8' );
-		$response->headers->set( 'Content-Disposition', 'attachment; filename="' . $fileName . '"' );
 
-		return $response;
+			}
+		}
+		rewind( $handle );
+		$content = stream_get_contents( $handle );
+		fclose( $handle );
+
+		return new Response(
+			$content, 200, [
+				'Content-Type'        => 'application/force-download',
+				'Content-Disposition' => 'attachment; filename="' . $fileName . '.csv"',
+			]
+		);
 	}
 }
diff --git a/web/export_caisse-cipherbliss_tykayn_2018-04-18_15-14-39.csv b/web/export_caisse-cipherbliss_tykayn_2018-04-18_15-14-39.csv
deleted file mode 100644
index 48be6026..00000000
--- a/web/export_caisse-cipherbliss_tykayn_2018-04-18_15-14-39.csv
+++ /dev/null
@@ -1 +0,0 @@
-"product sold id",date,hour,min,sec,"client comment","client paid","product name","product image","product category id","product category name","product price","festival id","festival name","festival creation date","caisse before","caisse after","festival ca","festival comment"
diff --git a/web/export_caisse-cipherbliss_tykayn_2018-04-18_15-15-16.csv b/web/export_caisse-cipherbliss_tykayn_2018-04-18_15-15-16.csv
deleted file mode 100644
index 48be6026..00000000
--- a/web/export_caisse-cipherbliss_tykayn_2018-04-18_15-15-16.csv
+++ /dev/null
@@ -1 +0,0 @@
-"product sold id",date,hour,min,sec,"client comment","client paid","product name","product image","product category id","product category name","product price","festival id","festival name","festival creation date","caisse before","caisse after","festival ca","festival comment"
diff --git a/web/export_caisse-cipherbliss_tykayn_2018-04-18_15-15-59.csv b/web/export_caisse-cipherbliss_tykayn_2018-04-18_15-15-59.csv
deleted file mode 100644
index 032acdab..00000000
--- a/web/export_caisse-cipherbliss_tykayn_2018-04-18_15-15-59.csv
+++ /dev/null
@@ -1,7 +0,0 @@
-"product sold id",date,hour,min,sec,"client comment","client paid","product name","product image","product category id","product category name","product price","festival id","festival name","festival creation date","caisse before","caisse after","festival ca","festival comment"
-5,2018-04-17T14:33:51+02:00,14,33,51,sellingComment,20.00,aaaaaa,"image mock",1,fanzine,1.00
-6,2018-04-17T14:36:15+02:00,14,36,15,sellingComment,20.00,aaaaaa,"image mock",1,fanzine,1.00
-7,2018-04-17T15:07:53+02:00,15,07,53,,0.00,aaaaaa,"image mock",1,fanzine,3.00
-8,2018-04-17T15:07:53+02:00,15,07,53,,0.00,aaaaaa,"image mock",1,fanzine,3.00
-9,2018-04-17T15:07:53+02:00,15,07,53,,0.00,aaaaaa,"image mock",1,fanzine,3.00
-10,2018-04-18T15:14:32+02:00,15,14,32,,0.00,"un truc","image mock",1,fanzine,2.00
diff --git a/web/export_caisse-cipherbliss_tykayn_2018-04-18_15-16-22.csv b/web/export_caisse-cipherbliss_tykayn_2018-04-18_15-16-22.csv
deleted file mode 100644
index 1b10e523..00000000
--- a/web/export_caisse-cipherbliss_tykayn_2018-04-18_15-16-22.csv
+++ /dev/null
@@ -1,22 +0,0 @@
-"product sold id",date,hour,min,sec,"client comment","client paid","product name","product image","product category id","product category name","product price","festival id","festival name","festival creation date","caisse before","caisse after","festival ca","festival comment"
-5,2018-04-17T14:33:51+02:00,14,33,51,sellingComment,20.00,aaaaaa,"image mock",1,fanzine,1.00
-6,2018-04-17T14:36:15+02:00,14,36,15,sellingComment,20.00,aaaaaa,"image mock",1,fanzine,1.00
-7,2018-04-17T15:07:53+02:00,15,07,53,,0.00,aaaaaa,"image mock",1,fanzine,3.00
-8,2018-04-17T15:07:53+02:00,15,07,53,,0.00,aaaaaa,"image mock",1,fanzine,3.00
-9,2018-04-17T15:07:53+02:00,15,07,53,,0.00,aaaaaa,"image mock",1,fanzine,3.00
-10,2018-04-18T15:14:32+02:00,15,14,32,,0.00,"un truc","image mock",1,fanzine,2.00
-4,"japan expo",2018-04-17T15:37:15+02:00,0,0,0,
-11,2018-04-18T15:14:32+02:00,15,14,32,,0.00,"un truc","image mock",1,fanzine,2.00
-4,"japan expo",2018-04-17T15:37:15+02:00,0,0,0,
-12,2018-04-18T15:14:32+02:00,15,14,32,,0.00,"un truc","image mock",1,fanzine,2.00
-4,"japan expo",2018-04-17T15:37:15+02:00,0,0,0,
-13,2018-04-18T15:14:32+02:00,15,14,32,,0.00,aaaaaa,"image mock",1,fanzine,1.00
-4,"japan expo",2018-04-17T15:37:15+02:00,0,0,0,
-14,2018-04-18T15:14:32+02:00,15,14,32,,0.00,aaaaaa,"image mock",1,fanzine,1.00
-4,"japan expo",2018-04-17T15:37:15+02:00,0,0,0,
-15,2018-04-18T15:14:32+02:00,15,14,32,,0.00,aaaaaa,"image mock",1,fanzine,1.00
-4,"japan expo",2018-04-17T15:37:15+02:00,0,0,0,
-16,2018-04-18T15:14:32+02:00,15,14,32,,0.00,bbbb,"image mock",2,badges,10.00
-4,"japan expo",2018-04-17T15:37:15+02:00,0,0,0,
-17,2018-04-18T15:14:32+02:00,15,14,32,,0.00,bbbb,"image mock",2,badges,10.00
-4,"japan expo",2018-04-17T15:37:15+02:00,0,0,0,
diff --git a/web/export_caisse-cipherbliss_tykayn_2018-04-18_15-17-17.csv b/web/export_caisse-cipherbliss_tykayn_2018-04-18_15-17-17.csv
deleted file mode 100644
index 1b10e523..00000000
--- a/web/export_caisse-cipherbliss_tykayn_2018-04-18_15-17-17.csv
+++ /dev/null
@@ -1,22 +0,0 @@
-"product sold id",date,hour,min,sec,"client comment","client paid","product name","product image","product category id","product category name","product price","festival id","festival name","festival creation date","caisse before","caisse after","festival ca","festival comment"
-5,2018-04-17T14:33:51+02:00,14,33,51,sellingComment,20.00,aaaaaa,"image mock",1,fanzine,1.00
-6,2018-04-17T14:36:15+02:00,14,36,15,sellingComment,20.00,aaaaaa,"image mock",1,fanzine,1.00
-7,2018-04-17T15:07:53+02:00,15,07,53,,0.00,aaaaaa,"image mock",1,fanzine,3.00
-8,2018-04-17T15:07:53+02:00,15,07,53,,0.00,aaaaaa,"image mock",1,fanzine,3.00
-9,2018-04-17T15:07:53+02:00,15,07,53,,0.00,aaaaaa,"image mock",1,fanzine,3.00
-10,2018-04-18T15:14:32+02:00,15,14,32,,0.00,"un truc","image mock",1,fanzine,2.00
-4,"japan expo",2018-04-17T15:37:15+02:00,0,0,0,
-11,2018-04-18T15:14:32+02:00,15,14,32,,0.00,"un truc","image mock",1,fanzine,2.00
-4,"japan expo",2018-04-17T15:37:15+02:00,0,0,0,
-12,2018-04-18T15:14:32+02:00,15,14,32,,0.00,"un truc","image mock",1,fanzine,2.00
-4,"japan expo",2018-04-17T15:37:15+02:00,0,0,0,
-13,2018-04-18T15:14:32+02:00,15,14,32,,0.00,aaaaaa,"image mock",1,fanzine,1.00
-4,"japan expo",2018-04-17T15:37:15+02:00,0,0,0,
-14,2018-04-18T15:14:32+02:00,15,14,32,,0.00,aaaaaa,"image mock",1,fanzine,1.00
-4,"japan expo",2018-04-17T15:37:15+02:00,0,0,0,
-15,2018-04-18T15:14:32+02:00,15,14,32,,0.00,aaaaaa,"image mock",1,fanzine,1.00
-4,"japan expo",2018-04-17T15:37:15+02:00,0,0,0,
-16,2018-04-18T15:14:32+02:00,15,14,32,,0.00,bbbb,"image mock",2,badges,10.00
-4,"japan expo",2018-04-17T15:37:15+02:00,0,0,0,
-17,2018-04-18T15:14:32+02:00,15,14,32,,0.00,bbbb,"image mock",2,badges,10.00
-4,"japan expo",2018-04-17T15:37:15+02:00,0,0,0,
diff --git a/web/export_caisse-cipherbliss_tykayn_2018-04-18_15-17-38.csv b/web/export_caisse-cipherbliss_tykayn_2018-04-18_15-17-38.csv
deleted file mode 100644
index 1b10e523..00000000
--- a/web/export_caisse-cipherbliss_tykayn_2018-04-18_15-17-38.csv
+++ /dev/null
@@ -1,22 +0,0 @@
-"product sold id",date,hour,min,sec,"client comment","client paid","product name","product image","product category id","product category name","product price","festival id","festival name","festival creation date","caisse before","caisse after","festival ca","festival comment"
-5,2018-04-17T14:33:51+02:00,14,33,51,sellingComment,20.00,aaaaaa,"image mock",1,fanzine,1.00
-6,2018-04-17T14:36:15+02:00,14,36,15,sellingComment,20.00,aaaaaa,"image mock",1,fanzine,1.00
-7,2018-04-17T15:07:53+02:00,15,07,53,,0.00,aaaaaa,"image mock",1,fanzine,3.00
-8,2018-04-17T15:07:53+02:00,15,07,53,,0.00,aaaaaa,"image mock",1,fanzine,3.00
-9,2018-04-17T15:07:53+02:00,15,07,53,,0.00,aaaaaa,"image mock",1,fanzine,3.00
-10,2018-04-18T15:14:32+02:00,15,14,32,,0.00,"un truc","image mock",1,fanzine,2.00
-4,"japan expo",2018-04-17T15:37:15+02:00,0,0,0,
-11,2018-04-18T15:14:32+02:00,15,14,32,,0.00,"un truc","image mock",1,fanzine,2.00
-4,"japan expo",2018-04-17T15:37:15+02:00,0,0,0,
-12,2018-04-18T15:14:32+02:00,15,14,32,,0.00,"un truc","image mock",1,fanzine,2.00
-4,"japan expo",2018-04-17T15:37:15+02:00,0,0,0,
-13,2018-04-18T15:14:32+02:00,15,14,32,,0.00,aaaaaa,"image mock",1,fanzine,1.00
-4,"japan expo",2018-04-17T15:37:15+02:00,0,0,0,
-14,2018-04-18T15:14:32+02:00,15,14,32,,0.00,aaaaaa,"image mock",1,fanzine,1.00
-4,"japan expo",2018-04-17T15:37:15+02:00,0,0,0,
-15,2018-04-18T15:14:32+02:00,15,14,32,,0.00,aaaaaa,"image mock",1,fanzine,1.00
-4,"japan expo",2018-04-17T15:37:15+02:00,0,0,0,
-16,2018-04-18T15:14:32+02:00,15,14,32,,0.00,bbbb,"image mock",2,badges,10.00
-4,"japan expo",2018-04-17T15:37:15+02:00,0,0,0,
-17,2018-04-18T15:14:32+02:00,15,14,32,,0.00,bbbb,"image mock",2,badges,10.00
-4,"japan expo",2018-04-17T15:37:15+02:00,0,0,0,
diff --git a/web/export_caisse-cipherbliss_tykayn_2018-04-18_15-17-40.csv b/web/export_caisse-cipherbliss_tykayn_2018-04-18_15-17-40.csv
deleted file mode 100644
index 1b10e523..00000000
--- a/web/export_caisse-cipherbliss_tykayn_2018-04-18_15-17-40.csv
+++ /dev/null
@@ -1,22 +0,0 @@
-"product sold id",date,hour,min,sec,"client comment","client paid","product name","product image","product category id","product category name","product price","festival id","festival name","festival creation date","caisse before","caisse after","festival ca","festival comment"
-5,2018-04-17T14:33:51+02:00,14,33,51,sellingComment,20.00,aaaaaa,"image mock",1,fanzine,1.00
-6,2018-04-17T14:36:15+02:00,14,36,15,sellingComment,20.00,aaaaaa,"image mock",1,fanzine,1.00
-7,2018-04-17T15:07:53+02:00,15,07,53,,0.00,aaaaaa,"image mock",1,fanzine,3.00
-8,2018-04-17T15:07:53+02:00,15,07,53,,0.00,aaaaaa,"image mock",1,fanzine,3.00
-9,2018-04-17T15:07:53+02:00,15,07,53,,0.00,aaaaaa,"image mock",1,fanzine,3.00
-10,2018-04-18T15:14:32+02:00,15,14,32,,0.00,"un truc","image mock",1,fanzine,2.00
-4,"japan expo",2018-04-17T15:37:15+02:00,0,0,0,
-11,2018-04-18T15:14:32+02:00,15,14,32,,0.00,"un truc","image mock",1,fanzine,2.00
-4,"japan expo",2018-04-17T15:37:15+02:00,0,0,0,
-12,2018-04-18T15:14:32+02:00,15,14,32,,0.00,"un truc","image mock",1,fanzine,2.00
-4,"japan expo",2018-04-17T15:37:15+02:00,0,0,0,
-13,2018-04-18T15:14:32+02:00,15,14,32,,0.00,aaaaaa,"image mock",1,fanzine,1.00
-4,"japan expo",2018-04-17T15:37:15+02:00,0,0,0,
-14,2018-04-18T15:14:32+02:00,15,14,32,,0.00,aaaaaa,"image mock",1,fanzine,1.00
-4,"japan expo",2018-04-17T15:37:15+02:00,0,0,0,
-15,2018-04-18T15:14:32+02:00,15,14,32,,0.00,aaaaaa,"image mock",1,fanzine,1.00
-4,"japan expo",2018-04-17T15:37:15+02:00,0,0,0,
-16,2018-04-18T15:14:32+02:00,15,14,32,,0.00,bbbb,"image mock",2,badges,10.00
-4,"japan expo",2018-04-17T15:37:15+02:00,0,0,0,
-17,2018-04-18T15:14:32+02:00,15,14,32,,0.00,bbbb,"image mock",2,badges,10.00
-4,"japan expo",2018-04-17T15:37:15+02:00,0,0,0,
diff --git a/web/export_caisse-cipherbliss_tykayn_2018-04-18_15-18-43.csv b/web/export_caisse-cipherbliss_tykayn_2018-04-18_15-18-43.csv
deleted file mode 100644
index 48be6026..00000000
--- a/web/export_caisse-cipherbliss_tykayn_2018-04-18_15-18-43.csv
+++ /dev/null
@@ -1 +0,0 @@
-"product sold id",date,hour,min,sec,"client comment","client paid","product name","product image","product category id","product category name","product price","festival id","festival name","festival creation date","caisse before","caisse after","festival ca","festival comment"
diff --git a/web/export_caisse-cipherbliss_tykayn_2018-04-18_15-18-44.csv b/web/export_caisse-cipherbliss_tykayn_2018-04-18_15-18-44.csv
deleted file mode 100644
index 48be6026..00000000
--- a/web/export_caisse-cipherbliss_tykayn_2018-04-18_15-18-44.csv
+++ /dev/null
@@ -1 +0,0 @@
-"product sold id",date,hour,min,sec,"client comment","client paid","product name","product image","product category id","product category name","product price","festival id","festival name","festival creation date","caisse before","caisse after","festival ca","festival comment"