diff --git a/zephyr/static/third/bootstrap/js/bootstrap.js b/zephyr/static/third/bootstrap/js/bootstrap.js
index dbb7eff191..8a33ae9d8f 100644
--- a/zephyr/static/third/bootstrap/js/bootstrap.js
+++ b/zephyr/static/third/bootstrap/js/bootstrap.js
@@ -1882,6 +1882,7 @@
 
       items = $.isFunction(this.source) ? this.source(this.query, $.proxy(this.process, this)) : this.source
 
+      if (!items && this.shown) this.hide();
       return items ? this.process(items) : this
     }