diff --git a/web/js/MonitorStream.js b/web/js/MonitorStream.js
index b7fa4b324..0924cf31d 100644
--- a/web/js/MonitorStream.js
+++ b/web/js/MonitorStream.js
@@ -299,7 +299,7 @@ function MonitorStream(monitorData) {
           $j('#MediaPlayer').trigger('play');
         }
       }
-      if (POPUP_ON_ALARM) {
+      if (ZM_WEB_POPUP_ON_ALARM) {
         window.focus();
       }
       if (this.onalarm) {