diff --git a/InvenTree/InvenTree/exceptions.py b/InvenTree/InvenTree/exceptions.py
index 78a494c9f2..5ba0d80bec 100644
--- a/InvenTree/InvenTree/exceptions.py
+++ b/InvenTree/InvenTree/exceptions.py
@@ -79,7 +79,7 @@ def exception_handler(exc, context):
     
         # Convert errors returned under the label '__all__' to 'non_field_errors'
         if '__all__' in response.data:
-            response.data['non_field_errors'] = response.data['all']
+            response.data['non_field_errors'] = response.data['__all__']
             del response.data['__all__']
 
     return response