diff --git a/plugins/kolab_tags/kolab_tags.js b/plugins/kolab_tags/kolab_tags.js
index 95995298..e9332a22 100644
--- a/plugins/kolab_tags/kolab_tags.js
+++ b/plugins/kolab_tags/kolab_tags.js
@@ -388,6 +388,9 @@ function update_tags(response)
         message_list_select(list);
     }
 
+    // reset tag selector popup
+    tag_selector_element = null;
+
     // @TODO: sort tags by name/prio
 }