diff --git a/client/core/src/components/button/button.html b/client/core/src/components/button/button.html
index 2dab0d861..4770714ae 100644
--- a/client/core/src/components/button/button.html
+++ b/client/core/src/components/button/button.html
@@ -1,4 +1,4 @@
-<button type="{{::$ctrl.type}}" class="mdl-button mdl-js-button mdl-button--raised mdl-button--colored hfj">
+<button type="{{::$ctrl.type}}" class="mdl-button mdl-js-button mdl-button--raised mdl-button--colored">
     <span translate>{{$ctrl.label}}</span>
     <vn-icon 
         icon="{{::$ctrl.icon}}"