diff --git a/Kwf/Util/Update/Runner.php b/Kwf/Util/Update/Runner.php
index <HASH>..<HASH> 100644
--- a/Kwf/Util/Update/Runner.php
+++ b/Kwf/Util/Update/Runner.php
@@ -101,7 +101,7 @@ class Kwf_Util_Update_Runner
         $this->_executeUpdatesAction('postUpdate');
         if (!$this->_skipClearCache) {
             if ($this->_verbose) echo "\n";
-            Kwf_Util_ClearCache::getInstance()->clearCache('all', !$this->_verbose, true, array('skipMaintenanceBootstrap'=>true));
+            Kwf_Util_ClearCache::getInstance()->clearCache('all', $this->_verbose, true, array('skipMaintenanceBootstrap'=>true));
             if ($this->_verbose) echo "\n";
         }
         $this->_executeUpdatesAction('postClearCache');
fix logic, verbose means output