diff --git a/browser/metro/components/HelperAppDialog.js b/browser/metro/components/HelperAppDialog.js
index fee02a6338ff..9e66b686cc95 100644
--- a/browser/metro/components/HelperAppDialog.js
+++ b/browser/metro/components/HelperAppDialog.js
@@ -121,7 +121,7 @@ HelperAppLauncherDialog.prototype = {
                         className: "download-filename-text"
                       },
                       {
-                        text: aLauncher.suggestedFileName,
+                        text: aLauncher.downloadSize,
                         className: "download-size-text"
                       },
                       {