diff --git a/functions/src/on-update-group.ts b/functions/src/on-update-group.ts
index bd289245..ad608cb8 100644
--- a/functions/src/on-update-group.ts
+++ b/functions/src/on-update-group.ts
@@ -78,8 +78,9 @@ export async function removeGroupLinks(group: Group, contractIds: string[]) {
             []),
         ]),
         groupLinks: [
-          contract?.groupLinks?.filter((link) => link.groupId !== group.id) ??
-            [],
+          ...(contract?.groupLinks?.filter(
+            (link) => link.groupId !== group.id
+          ) ?? []),
         ],
       })
   }