diff --git a/inspirehep/modules/workflows/tasks/manual_merging.py b/inspirehep/modules/workflows/tasks/manual_merging.py
index 115bd188c7..d0cdc40ff3 100644
--- a/inspirehep/modules/workflows/tasks/manual_merging.py
+++ b/inspirehep/modules/workflows/tasks/manual_merging.py
@@ -124,7 +124,7 @@ def _merge_roots_hep(new_uuid, head_roots, update_roots):
                     dict(
                         source=update_root["source"],
                         record_uuid=new_uuid,
-                        json=update_root["json"],
+                        json=update_root["json_data"],
                     )
                 )
             requests.delete(