diff --git a/backend/src/graphql/resolvers/posts.ts b/backend/src/graphql/resolvers/posts.ts
index ed458115d..19ce5e188 100644
--- a/backend/src/graphql/resolvers/posts.ts
+++ b/backend/src/graphql/resolvers/posts.ts
@@ -627,6 +627,7 @@ export default {
         'language',
         'pinnedAt',
         'pinned',
+        'groupPinned',
         'eventVenue',
         'eventLocation',
         'eventLocationName',