diff --git a/ratelimitfile.php b/ratelimitfile.php
index 875e08b..e0893aa 100644
--- a/ratelimitfile.php
+++ b/ratelimitfile.php
@@ -109,7 +109,7 @@ class ratelimitfile extends ratelimit
     }
     else
     {
-      if (mkdir ($this->storageDir, 0777, true) === false)
+      if (@mkdir ($this->storageDir, 0777, true) === false)
         throw new Exception (sprintf (dgettext ("domframework",
                                                 "Can't create '%s' storageDir"),
                              $this->storageDir), 500);