diff --git a/apps/tags/forms.py b/apps/tags/forms.py
index 15ccc66411..cd2bead2c2 100644
--- a/apps/tags/forms.py
+++ b/apps/tags/forms.py
@@ -4,6 +4,7 @@ import logging
 
 from django import forms
 from django.utils.translation import ugettext_lazy as _
+from django.core.exceptions import PermissionDenied
 
 from taggit.models import Tag