diff --git a/src/paperless/serialisers.py b/src/paperless/serialisers.py
index 63ddb773a..ab41ab67c 100644
--- a/src/paperless/serialisers.py
+++ b/src/paperless/serialisers.py
@@ -23,6 +23,7 @@ class UserSerializer(serializers.ModelSerializer):
         many=True,
         queryset=Permission.objects.all(),
         slug_field="codename",
+        required=False,
     )
     inherited_permissions = serializers.SerializerMethodField()