1 files changed, 1 insertions, 1 deletions
diff --git a/core/Updates/1.9-b19.php b/core/Updates/1.9-b19.php
index 771459b999..03f142de0d 100755
--- a/core/Updates/1.9-b19.php
+++ b/core/Updates/1.9-b19.php
@@ -33,7 +33,7 @@ class Piwik_Updates_1_9_b19 extends Piwik_Updates
 
 
         try {
-            PluginsManager::getInstance()->activatePlugin('Transitions');
+            \Piwik\PluginsManager::getInstance()->activatePlugin('Transitions');
         } catch (Exception $e) {
         }
     }