diff --git a/lib/mods.js b/lib/mods.js
index 506a14e..1b6d6eb 100644
--- a/lib/mods.js
+++ b/lib/mods.js
@@ -56,7 +56,7 @@ Mods.prototype.download = function (mod, cb) {
 
     if (!currentDownloadMod || currentDownloadMod.name != modName) {
       if (currentDownloadMod) {
-        delete currentDownloadMod.progress;
+        currentDownloadMod.progress = null;
       }
 
       var mod = _.find(self.mods, {name: modName});