diff --git a/storages/utils.py b/storages/utils.py
index 63d40bfe6..a07b9f3a6 100644
--- a/storages/utils.py
+++ b/storages/utils.py
@@ -1,6 +1,7 @@
 import posixpath
 
 from django.conf import settings
+from django.core.exceptions import ImproperlyConfigured
 from django.utils.encoding import force_text