diff --git a/locustgraphqlclient/client.py b/locustgraphqlclient/client.py
index c59dbdb..4c6368e 100644
--- a/locustgraphqlclient/client.py
+++ b/locustgraphqlclient/client.py
@@ -18,7 +18,7 @@ def execute(self, label, query, variables=None, type="graphql") -> Optional[dict
         except (urllib.error.HTTPError, urllib.error.URLError, ValueError, JSONDecodeError) as e:
             total_time = int((time.time() - start_time) * 1000)
             events.request_failure.fire(
-                request_type=type, name=label, response_time=total_time, exception=e
+                request_type=type, name=label, response_time=total_time, exception=e, response_length=0
             )
 
         else:
@@ -39,6 +39,7 @@ def execute(self, label, query, variables=None, type="graphql") -> Optional[dict
 
 
 class GraphQLLocust(User):
+    abstract = True
     endpoint = ""
 
     def __init__(self, *args, **kwargs):