diff --git a/assets/javascripts/discourse-assign/connectors/groups-interaction-custom-options/assignable-interaction-fields.hbs b/assets/javascripts/discourse-assign/connectors/groups-interaction-custom-options/assignable-interaction-fields.hbs
index 39a48ce..87913f7 100644
--- a/assets/javascripts/discourse-assign/connectors/groups-interaction-custom-options/assignable-interaction-fields.hbs
+++ b/assets/javascripts/discourse-assign/connectors/groups-interaction-custom-options/assignable-interaction-fields.hbs
@@ -11,7 +11,7 @@
     @valueProperty="value"
     @value={{assignableLevel}}
     @content={{assignableLevelOptions}}
-    class="groups-form-assignable-level"
+    @class="groups-form-assignable-level"
     @onChange={{action (mut model.assignable_level)}}
   />
 </div>
\ No newline at end of file