diff --git a/netbox_acls/forms/models.py b/netbox_acls/forms/models.py
index 256b506..104a889 100644
--- a/netbox_acls/forms/models.py
+++ b/netbox_acls/forms/models.py
@@ -513,14 +513,13 @@ def _check_if_interface_already_has_acl_in_direction(
             direction=direction,
         ).exists():
             return {}
-        else:
-            error_interface_already_assigned = (
-                "Interfaces can only have 1 Access List assigned in each direction."
-            )
-            return {
-                "direction": [error_interface_already_assigned],
-                assigned_object_type: [error_interface_already_assigned],
-            }
+        error_interface_already_assigned = (
+            "Interfaces can only have 1 Access List assigned in each direction."
+        )
+        return {
+            "direction": [error_interface_already_assigned],
+            assigned_object_type: [error_interface_already_assigned],
+        }
 
     def save(self, *args, **kwargs):
         """