diff --git a/kernel/classes/clusterfilehandlers/ezfsfilehandler.php b/kernel/classes/clusterfilehandlers/ezfsfilehandler.php
index 51d2ecdb31a..d3af34dfce7 100644
--- a/kernel/classes/clusterfilehandlers/ezfsfilehandler.php
+++ b/kernel/classes/clusterfilehandlers/ezfsfilehandler.php
@@ -956,6 +956,8 @@ public function endCacheGeneration( $rename = true )
      */
     public function abortCacheGeneration()
     {
+        $this->_freeExclusiveLock( 'storeCache' );
+
         return true;
     }