diff --git a/build/tasks/publish-build-task.coffee b/build/tasks/publish-build-task.coffee
index f531d8ac4..28e076264 100644
--- a/build/tasks/publish-build-task.coffee
+++ b/build/tasks/publish-build-task.coffee
@@ -139,7 +139,7 @@ createRelease = (callback) ->
 
 uploadAsset = (release, callback) ->
   options =
-    uri: "#{release.assets_url}?name=#{assetName}"
+    uri: release.upload_url.replace(/\{.*$/, "?name=#{assetName}")
     method: 'POST'
     headers: _.extend({
       'Content-Type': 'application/zip'