diff --git a/lib/channel/mediarefresher.js b/lib/channel/mediarefresher.js
index d0f20f29..b5759a61 100644
--- a/lib/channel/mediarefresher.js
+++ b/lib/channel/mediarefresher.js
@@ -77,6 +77,7 @@ MediaRefresherModule.prototype.refreshGoogleDocs = function (media, cb) {
             case "Video not found":
             case "Private video":
                 self.channel.activeLock.release();
+                if (cb) cb();
                 return;
             default:
                 if (err) {