diff --git a/services/web-ui/public/users.html b/services/web-ui/public/users.html
index 000d0ab..aad53c9 100644
--- a/services/web-ui/public/users.html
+++ b/services/web-ui/public/users.html
@@ -320,7 +320,7 @@
         <td>
           <div style="display:flex;gap:var(--sp-1);justify-content:flex-end;">
             <button class="btn btn-ghost btn-sm" onclick="editUser('${u.id}')">Edit</button>
-            <button class="btn btn-danger btn-sm" onclick="confirmDeleteUser('${u.id}','${esc(u.username)}')">Delete</button>
+            <button class="btn btn-danger btn-sm" onclick="confirmDeleteUser('${u.id}',${esc(JSON.stringify(u.username))})">Delete</button>
           </div>
         </td>
       </tr>`).join('');
@@ -427,7 +427,7 @@
         <td>
           <div style="display:flex;gap:var(--sp-1);justify-content:flex-end;">
             <button class="btn btn-ghost btn-sm" onclick="editGroup('${g.id}')">Edit</button>
-            <button class="btn btn-danger btn-sm" onclick="confirmDeleteGroup('${g.id}','${esc(g.name)}')">Delete</button>
+            <button class="btn btn-danger btn-sm" onclick="confirmDeleteGroup('${g.id}',${esc(JSON.stringify(g.name))})">Delete</button>
           </div>
         </td>
       </tr>`).join('');
@@ -572,4 +572,4 @@
 </script>
 <script src="js/auth-guard.js"></script>
 </body>
-</html>
\ No newline at end of file
+</html>