diff --git a/browser/components/pocket/panels/js/signup.js b/browser/components/pocket/panels/js/signup.js
index 4600cbefd9f3..cd7d5031b28c 100644
--- a/browser/components/pocket/panels/js/signup.js
+++ b/browser/components/pocket/panels/js/signup.js
@@ -187,6 +187,7 @@ PKT_SIGNUP_OVERLAY.prototype = {
         this.getTranslations();
         this.dictJSON.fxasignedin = this.fxasignedin ? 1 : 0;
         this.dictJSON.variant = (this.variant ? this.variant : 'undefined');
+        this.dictJSON.variant += this.fxasignedin ? '_fxa' : '_nonfxa';
         this.dictJSON.pockethost = this.pockethost;
         this.dictJSON.showlearnmore = (this.variant.indexOf('_lm') > -1 || this.variant == 'storyboard' || this.variant == 'hero') ? 1 : 0;
 
diff --git a/browser/components/pocket/pktApi.js b/browser/components/pocket/pktApi.js
index d7f3c86b2d37..1d806430ee87 100644
--- a/browser/components/pocket/pktApi.js
+++ b/browser/components/pocket/pktApi.js
@@ -247,7 +247,9 @@ var pktApi = (function() {
 
         var url = baseAPIUrl + options.path;
         var data = options.data || {};
-        data.locale_lang = window.navigator.language;
+        data.locale_lang = Cc["@mozilla.org/chrome/chrome-registry;1"].
+             getService(Ci.nsIXULChromeRegistry).
+             getSelectedLocale("browser");
         data.consumer_key = oAuthConsumerKey;
 
         var request = Components.classes["@mozilla.org/xmlextras/xmlhttprequest;1"].createInstance(Components.interfaces.nsIXMLHttpRequest);