diff --git a/src/Controller/PollController.php b/src/Controller/PollController.php
index 4cf9ee5..2f55e54 100644
--- a/src/Controller/PollController.php
+++ b/src/Controller/PollController.php
@@ -331,8 +331,8 @@ class PollController extends FramadateController {
 
 		if ( $found ) {
 			if ( ! $elaborated_message_version ) {
-				return $this->json( true,
-					200 );
+				return $this->json( 'no-content',
+					204 );
 			}
 
 			// we should use an other slug
@@ -342,10 +342,10 @@ class PollController extends FramadateController {
 					'slug' => $slug,
 				],
 			],
-				200 );
+				204 );
 		}
 		if ( ! $elaborated_message_version ) {
-			return $this->json( false,
+			return $this->json( 'NOT_found',
 				404 );
 		}