diff --git a/biscuit/apps/untis/apps.py b/biscuit/apps/untis/apps.py
index 76bbb7dac209159c24d7c7147110e7b91e452be2..f8a6cbde8138cc95dc57204baf9183a96e02fb83 100644
--- a/biscuit/apps/untis/apps.py
+++ b/biscuit/apps/untis/apps.py
@@ -1,5 +1,5 @@
 from django.apps import AppConfig
-from django.utils.translation import gettext_lazy as _
+from django.utils.translation import ugettext_lazy as _
 
 
 class UntisConfig(AppConfig):
diff --git a/biscuit/apps/untis/forms.py b/biscuit/apps/untis/forms.py
index fb29fff61a0f72c09cbdad76f094d875afc8ffb6..2791a13e084311bbe8fa473cafa53216df80a485 100644
--- a/biscuit/apps/untis/forms.py
+++ b/biscuit/apps/untis/forms.py
@@ -1,5 +1,5 @@
 from django import forms
-from django.utils.translation import gettext_lazy as _
+from django.utils.translation import ugettext_lazy as _
 
 
 class UntisUploadForm(forms.Form):
diff --git a/biscuit/apps/untis/management/commands/untis_import.py b/biscuit/apps/untis/management/commands/untis_import.py
index f065c9ec70baf45529311227bfd4e937dc30ab6f..8cc2a167bf6169053b6c083b1e92328866c235d7 100644
--- a/biscuit/apps/untis/management/commands/untis_import.py
+++ b/biscuit/apps/untis/management/commands/untis_import.py
@@ -1,5 +1,5 @@
 from django.core.management.base import BaseCommand
-from django.utils.translation import gettext as _
+from django.utils.translation import ugettext as _
 
 from ...util import untis_import_xml
 
diff --git a/biscuit/apps/untis/menus.py b/biscuit/apps/untis/menus.py
index 4bc13f26cf18ef9055525c00265d7751a4fb8c2b..39413280e232dcfa9552c05d6acc6c556ac50e7b 100644
--- a/biscuit/apps/untis/menus.py
+++ b/biscuit/apps/untis/menus.py
@@ -1,4 +1,4 @@
-from django.utils.translation import gettext as _
+from django.utils.translation import ugettext as _
 
 MENUS = {
     'NAV_MENU_CORE': [