diff --git a/src/Symfony/Components/Templating/Loader/FilesystemLoader.php b/src/Symfony/Components/Templating/Loader/FilesystemLoader.php
index ade15b2860..1f08c3e88f 100644
--- a/src/Symfony/Components/Templating/Loader/FilesystemLoader.php
+++ b/src/Symfony/Components/Templating/Loader/FilesystemLoader.php
@@ -85,9 +85,12 @@ class FilesystemLoader extends Loader
       }
     }
 
-    foreach ($logs as $log)
+    if ($this->debugger)
     {
-      $this->debugger->log($log);
+      foreach ($logs as $log)
+      {
+        $this->debugger->log($log);
+      }
     }
 
     return false;