diff --git a/autogpt_platform/backend/backend/executor/manager.py b/autogpt_platform/backend/backend/executor/manager.py
index f348de0d02..27bbdb6f81 100644
--- a/autogpt_platform/backend/backend/executor/manager.py
+++ b/autogpt_platform/backend/backend/executor/manager.py
@@ -295,7 +295,7 @@ async def execute_node(
                     f"Credentials #{credentials_meta.id} not found, "
                     "running without (field has default)"
                 )
-                input_data[field_name] = input_model.model_fields[field_name].default
+                input_data[field_name] = None
                 continue
             raise
         creds_locks.append(lock)