diff --git a/backend/api_v2/key_helper.py b/backend/api_v2/key_helper.py
index 2ff10654c..22421ff86 100644
--- a/backend/api_v2/key_helper.py
+++ b/backend/api_v2/key_helper.py
@@ -4,6 +4,7 @@
 from api_v2.exceptions import UnauthorizedKey
 from api_v2.models import APIDeployment, APIKey
 from api_v2.serializers import APIKeySerializer
+from django.core.exceptions import ValidationError
 from pipeline_v2.models import Pipeline
 from rest_framework.request import Request
 from workflow_manager.workflow_v2.workflow_helper import WorkflowHelper
@@ -29,7 +30,7 @@ def validate_api_key(
             api_key_instance: APIKey = APIKey.objects.get(api_key=api_key)
             if not KeyHelper.has_access(api_key_instance, instance):
                 raise UnauthorizedKey()
-        except APIKey.DoesNotExist:
+        except (APIKey.DoesNotExist, ValidationError):
             raise UnauthorizedKey()
 
     @staticmethod