diff --git a/toolkit/components/jsdownloads/test/unit/head.js b/toolkit/components/jsdownloads/test/unit/head.js
index d1eddfbff52..73d2fbf6b44 100644
--- a/toolkit/components/jsdownloads/test/unit/head.js
+++ b/toolkit/components/jsdownloads/test/unit/head.js
@@ -410,10 +410,11 @@ function promiseStartExternalHelperAppServiceDownload(aSourceUrl) {
     let channel = NetUtil.newChannel({
       uri: sourceURI,
       loadUsingSystemPrincipal: true,
+      securityFlags: Ci.nsILoadInfo.SEC_ALLOW_CROSS_ORIGIN_DATA_IS_NULL
     });
 
     // Start the actual download process.
-    channel.asyncOpen({
+    channel.asyncOpen2({
       contentListener: null,
 
       onStartRequest: function (aRequest, aContext)
@@ -435,7 +436,7 @@ function promiseStartExternalHelperAppServiceDownload(aSourceUrl) {
         this.contentListener.onDataAvailable(aRequest, aContext, aInputStream,
                                              aOffset, aCount);
       },
-    }, null);
+    });
   }.bind(this)).then(null, do_report_unexpected_exception);
 
   return deferred.promise;
diff --git a/toolkit/components/jsdownloads/test/unit/test_DownloadImport.js b/toolkit/components/jsdownloads/test/unit/test_DownloadImport.js
index 2940dbf83eb..e20a5122b80 100644
--- a/toolkit/components/jsdownloads/test/unit/test_DownloadImport.js
+++ b/toolkit/components/jsdownloads/test/unit/test_DownloadImport.js
@@ -167,9 +167,10 @@ function promiseEntityID(aUrl) {
   let channel = NetUtil.newChannel({
     uri: NetUtil.newURI(aUrl),
     loadUsingSystemPrincipal: true,
+    securityFlags: Ci.nsILoadInfo.SEC_ALLOW_CROSS_ORIGIN_DATA_IS_NULL
   });
 
-  channel.asyncOpen({
+  channel.asyncOpen2({
     onStartRequest: function (aRequest) {
       if (aRequest instanceof Ci.nsIResumableChannel) {
         entityID = aRequest.entityID;
@@ -186,7 +187,7 @@ function promiseEntityID(aUrl) {
     },
 
     onDataAvailable: function () {}
-  }, null);
+  });
 
   return deferred.promise;
 }