diff --git a/content/static/script/play-resources.js b/content/static/script/play-resources.js
index 835e30d1d..397037760 100644
--- a/content/static/script/play-resources.js
+++ b/content/static/script/play-resources.js
@@ -70,7 +70,7 @@ function parseTime(time) {
     var parts = time.split(":"), part;
     var r = 0;
     while((part = parts.shift())) {
-	r = r * 60 + parseInt(part);
+	r = r * 60 + parseInt(part, 10);
     }
     return r;
 }