diff --git a/api/src/services/graphql.ts b/api/src/services/graphql.ts
index f62404ea1f..2208d37d14 100644
--- a/api/src/services/graphql.ts
+++ b/api/src/services/graphql.ts
@@ -1482,7 +1482,7 @@ export class GraphQLService {
 								set(
 									query.deep,
 									parent,
-									merge(get(query.deep, parent), { _alias: { [selection.alias!.value]: selection.name.value } })
+									merge({}, get(query.deep, parent), { _alias: { [selection.alias!.value]: selection.name.value } })
 								);
 							}
 						}