diff --git a/aleksis/apps/alsijil/frontend/components/extra_marks/ExtraMarkButtons.vue b/aleksis/apps/alsijil/frontend/components/extra_marks/ExtraMarkButtons.vue
index 919749ac85ed97f937d5b862a6aa37d199529b30..01deef40190efb422376dc7848185e8916400b43 100644
--- a/aleksis/apps/alsijil/frontend/components/extra_marks/ExtraMarkButtons.vue
+++ b/aleksis/apps/alsijil/frontend/components/extra_marks/ExtraMarkButtons.vue
@@ -13,7 +13,7 @@ export default {
       query: extraMarks,
       update: (data) => data.items,
       skip() {
-        return this.customExtraMarks > 0;
+        return this.customExtraMarks.length > 0;
       },
     },
   },