diff --git a/platform/firefox/vapi-common.js b/platform/firefox/vapi-common.js
index 4ae771759..c935a638f 100644
--- a/platform/firefox/vapi-common.js
+++ b/platform/firefox/vapi-common.js
@@ -67,7 +67,7 @@ vAPI.download = function(details) {
     };
 
     if ( vAPI.isMainProcess ) {
-        vAPI.tabs.open(request);
+        vAPI.tabs.open(request.details);
         return;
     }