diff --git a/netbox/dcim/forms.py b/netbox/dcim/forms.py
index 08ecb5d47..262ca4cbd 100644
--- a/netbox/dcim/forms.py
+++ b/netbox/dcim/forms.py
@@ -1543,7 +1543,7 @@ class InterfaceCSVForm(forms.ModelForm):
     )
     lag = FlexibleModelChoiceField(
         required=False,
-        queryset = Interface.objects.order_naturally().filter(form_factor=IFACE_FF_LAG)
+        queryset = Interface.objects.order_naturally().filter(form_factor=IFACE_FF_LAG),
         help_text='Lag Name',
         error_messages={'invalid_choice': 'Lag not found.'}
     )