diff --git a/src/views/ProjectViewView.vue b/src/views/ProjectViewView.vue
index cb6cf971..0bd14715 100644
--- a/src/views/ProjectViewView.vue
+++ b/src/views/ProjectViewView.vue
@@ -625,7 +625,7 @@ export default class ProjectViewView extends Vue {
   }
 
   openOfferDialog() {
-    (this.$refs.customOfferDialog as typeof OfferDialog).open();
+    (this.$refs.customOfferDialog as OfferDialog).open();
   }
 }
 </script>