diff --git a/packages/ezwt_extension/ezextension/ezwt/classes/ezwtservercallfunctions.php b/packages/ezwt_extension/ezextension/ezwt/classes/ezwtservercallfunctions.php
index 747f6c7..a6c3e32 100644
--- a/packages/ezwt_extension/ezextension/ezwt/classes/ezwtservercallfunctions.php
+++ b/packages/ezwt_extension/ezextension/ezwt/classes/ezwtservercallfunctions.php
@@ -56,9 +56,9 @@ public static function updatePriority( $args )
         if ( $http->hasPostVariable( 'ContentObjectID' ) )
         {
             $objectID = $http->postVariable( 'ContentObjectID' );
-            eZContentCacheManager::clearContentCache( $objectID );
+            eZContentCacheManager::clearContentCacheIfNeeded( $objectID );
         }
     }
 }
 
-?>
\ No newline at end of file
+?>