diff --git a/www/erupe/charsel.html b/www/erupe/charsel.html
index c70888949..bdacd6fbd 100644
--- a/www/erupe/charsel.html
+++ b/www/erupe/charsel.html
@@ -66,12 +66,12 @@
           <button id="newButton" class="btn btn-primary">New</button>
           <button id="deleteButton" class="btn btn-primary">Delete</button>
         -->
-		<button id="btn_config" class="btn btn-primary">Config</button>
+        <button id="configButton" class="btn btn-secondary">Config</button>
       </div>
-	  
+
     </div>
 
   </div>
-      
+
 </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/www/erupe/js/charsel.js b/www/erupe/js/charsel.js
index ea7a4b875..36082e5d9 100644
--- a/www/erupe/js/charsel.js
+++ b/www/erupe/js/charsel.js
@@ -95,7 +95,7 @@ $(function() {
         }, 500);
     });
 		
-	$("#btn_config").click(function() {
+	$("#configButton").click(function() {
         try{
             window.external.openMhlConfig();
         } catch(e){