diff --git a/src/more-infos/more-info-media_player.html b/src/more-infos/more-info-media_player.html
index 800655e299..d9bbda25c0 100644
--- a/src/more-infos/more-info-media_player.html
+++ b/src/more-infos/more-info-media_player.html
@@ -10,6 +10,8 @@
 <link rel='import' href='../../bower_components/paper-menu/paper-menu.html'>
 <link rel='import' href='../../bower_components/paper-item/paper-item.html'>
 
+<link rel='import' href='../util/hass-behavior.html'>
+
 <dom-module id='more-info-media_player'>
   <template>
     <style is="custom-style" include="iron-flex iron-flex-alignment"></style>