diff --git a/aleksis/apps/untis/models.py b/aleksis/apps/untis/models.py
index 58f7d58e90f23c2fd11985da7646fa4d02db2c3e..d14197965dc3839254117b55d2a2ac4bf12bf16f 100644
--- a/aleksis/apps/untis/models.py
+++ b/aleksis/apps/untis/models.py
@@ -4215,7 +4215,7 @@ class Views(models.Model, PureDjangoModel):
         )
 
 
-class GlobalPermissions(models.Model):
+class GlobalPermissions(models.Model, PureDjangoModel):
     class Meta:
         managed = False
         permissions = (