diff --git a/extensions/cookie/nsPermissions.cpp b/extensions/cookie/nsPermissions.cpp
index e315323c4c61..cb5a8ba327e3 100644
--- a/extensions/cookie/nsPermissions.cpp
+++ b/extensions/cookie/nsPermissions.cpp
@@ -218,6 +218,7 @@ Permission_Check(
     permission_changed = PR_TRUE;
     Permission_Save();
   }
+  Recycle(remember_string);
   return permission;
 }