diff --git a/common/djangoapps/util/file.py b/common/djangoapps/util/file.py
index ba59f86f3635..66fc2a6f5f35 100644
--- a/common/djangoapps/util/file.py
+++ b/common/djangoapps/util/file.py
@@ -8,7 +8,8 @@
 
 from django.conf import settings
 from django.core.exceptions import PermissionDenied
-from django.core.files.storage import DefaultStorage, get_valid_filename
+from django.core.files.storage import DefaultStorage
+from django.utils.text import get_valid_filename
 from django.utils.translation import gettext as _
 from django.utils.translation import ngettext
 from pytz import UTC