diff --git a/mp3player.js b/mp3player.js
index 053153d..7b8b12f 100644
--- a/mp3player.js
+++ b/mp3player.js
@@ -14,7 +14,7 @@ Drupal.behaviors.mp3players = function(context) {
     var playerSettingParts = playerData.split("&");
     
     for ( var i in playerSettingParts) {
-      var parts = playerSettingParts[i].split("=");
+      var parts = playerSettingParts[i].toString().split("=");
       playerSettings[parts[0]] = parts[1];
     }