diff --git a/templates/workspaces/members/edit.html b/templates/workspaces/members/edit.html
index cb6f1b86..2c4410c3 100644
--- a/templates/workspaces/members/edit.html
+++ b/templates/workspaces/members/edit.html
@@ -53,7 +53,7 @@
   </div>
 
   {% for project in projects %}
-  {% set revoke_modal_name = string(project.id) + 'RevokeModal' %}
+  {% set revoke_modal_name = (project.id|string) + 'RevokeModal' %}
   <edit-project-roles inline-template name="{{ project.name }}" id="{{ project.id }}">
     <div is='toggler' default-visible class='block-list project-list-item'>
       <template slot-scope='props'>