diff --git a/toolkit/components/jsdownloads/src/DownloadCore.jsm b/toolkit/components/jsdownloads/src/DownloadCore.jsm
index 44937bd1e902..2dc5930423c3 100644
--- a/toolkit/components/jsdownloads/src/DownloadCore.jsm
+++ b/toolkit/components/jsdownloads/src/DownloadCore.jsm
@@ -1907,7 +1907,14 @@ this.DownloadCopySaver.prototype = {
 
           // Create a channel from the source, and listen to progress
           // notifications.
-          let channel = NetUtil.newChannel(NetUtil.newURI(download.source.url));
+          let channel = NetUtil.newChannel2(download.source.url,
+                                            null,
+                                            null,
+                                            null,      // aLoadingNode
+                                            Services.scriptSecurityManager.getSystemPrincipal(),
+                                            null,      // aTriggeringPrincipal
+                                            Ci.nsILoadInfo.SEC_NORMAL,
+                                            Ci.nsIContentPolicy.TYPE_OTHER);
           if (channel instanceof Ci.nsIPrivateBrowsingChannel) {
             channel.setPrivate(download.source.isPrivate);
           }