diff --git a/core/lib/Drupal/Component/PhpStorage/FileStorage.php b/core/lib/Drupal/Component/PhpStorage/FileStorage.php
index 8918da26cf..d9c06f00ea 100644
--- a/core/lib/Drupal/Component/PhpStorage/FileStorage.php
+++ b/core/lib/Drupal/Component/PhpStorage/FileStorage.php
@@ -168,9 +168,11 @@ protected function createDirectory($directory, $mode = 0777) {
         }
         return TRUE;
       }
+      else {
+        // Something failed and the directory doesn't exist.
+        trigger_error('mkdir(): Permission Denied', E_USER_WARNING);
+      }
     }
-    // Something failed and the directory doesn't exist.
-    trigger_error('mkdir(): Permission Denied', E_USER_WARNING);
     return FALSE;
   }