diff --git a/panoramix/static/panoramix.js b/panoramix/static/panoramix.js
index e3978c402f..f6a868f1ca 100644
--- a/panoramix/static/panoramix.js
+++ b/panoramix/static/panoramix.js
@@ -28,7 +28,7 @@ function initializeDatasourceView() {
     return results === null ? "" : decodeURIComponent(results[1].replace(/\+/g, " "));
   }
 
-  $(".select2").select2();
+  $(".select2").select2({dropdownAutoWidth : true});
   $(".select2Sortable").select2();
   $(".select2Sortable").select2Sortable();
   $("form").show();
diff --git a/panoramix/templates/panoramix/explore.html b/panoramix/templates/panoramix/explore.html
index 811597e6e2..ef029cf563 100644
--- a/panoramix/templates/panoramix/explore.html
+++ b/panoramix/templates/panoramix/explore.html
@@ -32,7 +32,7 @@
             <i class="fa fa-edit"></i>
           </a>
       </span>
-      <span class="">{{ form.get_field("viz_type")(class_="select2") }}</span>
+      <span>{{ form.get_field("viz_type")(class_="select2") }}</span>
       <span class="btn btn-info pull-right"
         data-toggle="modal" data-target="#query_modal">query</span>
       <hr/>