diff --git a/web/spec/javascripts/download_jamtrack_spec.js.coffee b/web/spec/javascripts/download_jamtrack_spec.js.coffee
index 683693abf..58fbe3427 100644
--- a/web/spec/javascripts/download_jamtrack_spec.js.coffee
+++ b/web/spec/javascripts/download_jamtrack_spec.js.coffee
@@ -158,6 +158,7 @@ describe "DownloadJamTrack", ->
         @downloadJamTrack.destroy()
 
       it "shows downloading for signed package", ->
+        window.jamClient.JamTrackKeysRequest = sinon.stub()
         window.jamClient.JamTrackGetTrackDetail = sinon.stub()
         window.jamClient.JamTrackGetTrackDetail.returns({'key_state' : 'unknown'})