diff --git a/webroot/js/player/player.js b/webroot/js/player/player.js
index 47b9905e6..fc769c4d1 100644
--- a/webroot/js/player/player.js
+++ b/webroot/js/player/player.js
@@ -45,7 +45,9 @@ function setupPlayerEventHandlers() {
   // })
   //
   player.on('playing', function (e) {
-    clearTimeout(playerRestartTimer);
+    if (playerRestartTimer) {
+      clearTimeout(playerRestartTimer);
+    }
   })
   //
   // player.on('waiting', function (e) {