diff --git a/lib/classes/task/file_temp_cleanup_task.php b/lib/classes/task/file_temp_cleanup_task.php
index b5aeea8d0b0..c4801fe9060 100644
--- a/lib/classes/task/file_temp_cleanup_task.php
+++ b/lib/classes/task/file_temp_cleanup_task.php
@@ -88,8 +88,10 @@ class file_temp_cleanup_task extends scheduled_task {
                     }
                 }
             } else {
-                // Return the time modified to the original date.
-                touch($node, $modifieddateobject[$node]);
+                // Return the time modified to the original date only for real files.
+                if ($iter->isDir() && !$iter->isDot()) {
+                    touch($node, $modifieddateobject[$node]);
+                }
             }
         }
     }