diff --git a/modoboa/extensions/sievefilters/templates/sievefilters/index.html b/modoboa/extensions/sievefilters/templates/sievefilters/index.html
index a0500f0f9..a2b7bb3d8 100644
--- a/modoboa/extensions/sievefilters/templates/sievefilters/index.html
+++ b/modoboa/extensions/sievefilters/templates/sievefilters/index.html
@@ -74,7 +74,7 @@ $(document).ready(function() {
 <div class="well">
   <ul id="menu" class="nav nav-pills nav-stacked">
     <li class="nav-header">{% trans "Filter sets" %}</li>
-    <li class="form-group col-lg-11 col-md-11 col-sm-11">
+    <li class="form-group">
       <select id="curfset" class="form-control">
         {% if active_script %}
         <option value="{{ active_script }}">{{ active_script }} ({% trans "active" %})</option>