diff --git a/core/core.php b/core/core.php
index 943ed052..50d8bf05 100644
--- a/core/core.php
+++ b/core/core.php
@@ -26,7 +26,7 @@ class common {
 	const GROUP_MEMBER = 1;
 	const GROUP_MODERATOR = 2;
 	const GROUP_ADMIN = 3;
-	const ZWII_VERSION = '9.0.0';
+	const ZWII_VERSION = '9.0.00';
 
 	public static $actions = [];
 	public static $coreModuleIds = [
@@ -1047,12 +1047,6 @@ class common {
 			$this->setData(['core', 'dataVersion', 831]);
 			$this->SaveData();
 		}
-		// Versions intermédiaires
-		// Erreur de nommage
-		if($this->getData(['core', 'dataVersion']) >= 8311) {
-			$this->setData(['core', 'dataVersion', 832]);
-			$this->SaveData();
-		}
 
 		// Version 8.4.0
 		if($this->getData(['core', 'dataVersion']) < 840) {
@@ -1073,6 +1067,8 @@ class common {
 		}			
 		// Version 8.4.6
 		if($this->getData(['core', 'dataVersion']) < 846) {
+			echo $this->getData(['core', 'dataVersion']);
+			echo '<br>';			
 			$this->setData(['config','itemsperPage',10]);
 			$this->setData(['core', 'dataVersion', 846]);
 			$this->SaveData();
@@ -1085,21 +1081,23 @@ class common {
 		}	
 		// Version 8.5.1
 		if($this->getData(['core', 'dataVersion']) < 851) {
+			echo $this->getData(['core', 'dataVersion']);
+			echo '<br>';
 			$this->setData(['config','itemsperPage',10]);
 			$this->deleteData(['config','ItemsperPage']);
 			$this->setData(['core', 'dataVersion', 851]);
 			$this->SaveData();
 		}	
 		// Version 9.0.0
-		if($this->getData(['core', 'dataVersion']) < 900) {
+		if($this->getData(['core', 'dataVersion']) < 9000) {
 			$this->setData(['theme', 'site', 'block','12']);
 			if ($this->getData(['theme','menu','position']) === 'body-top') {
 				$this->setData(['theme','menu','position','top']);
 			}
 			$this->setData(['theme', 'menu','fixed',false]);						
-			$this->setData(['core', 'dataVersion', 900]);
+			$this->setData(['core', 'dataVersion', 9000]);
 			$this->SaveData();
-		}				
+		}			
 	}
 }