--- a/browser/components/uitour/UITour.jsm
+++ b/browser/components/uitour/UITour.jsm
@@ -5,42 +5,44 @@
 "use strict";
 
 this.EXPORTED_SYMBOLS = ["UITour"];
 
 const {classes: Cc, interfaces: Ci, utils: Cu, results: Cr} = Components;
 
 Cu.import("resource://gre/modules/AppConstants.jsm");
 Cu.import("resource://gre/modules/Services.jsm");
-Cu.import("resource://gre/modules/XPCOMUtils.jsm");
 Cu.import("resource://gre/modules/TelemetryController.jsm");
 Cu.import("resource://gre/modules/Timer.jsm");
+Cu.import("resource://gre/modules/XPCOMUtils.jsm");
 
 Cu.importGlobalProperties(["URL"]);
 
+XPCOMUtils.defineLazyModuleGetter(this, "BrowserUITelemetry",
+  "resource:///modules/BrowserUITelemetry.jsm");
+XPCOMUtils.defineLazyModuleGetter(this, "CustomizableUI",
+  "resource:///modules/CustomizableUI.jsm");
+XPCOMUtils.defineLazyModuleGetter(this, "fxAccounts",
+  "resource://gre/modules/FxAccounts.jsm");
 XPCOMUtils.defineLazyModuleGetter(this, "LightweightThemeManager",
   "resource://gre/modules/LightweightThemeManager.jsm");
-XPCOMUtils.defineLazyModuleGetter(this, "ResetProfile",
-  "resource://gre/modules/ResetProfile.jsm");
-XPCOMUtils.defineLazyModuleGetter(this, "CustomizableUI",
-  "resource:///modules/CustomizableUI.jsm");
-XPCOMUtils.defineLazyModuleGetter(this, "UITelemetry",
-  "resource://gre/modules/UITelemetry.jsm");
-XPCOMUtils.defineLazyModuleGetter(this, "BrowserUITelemetry",
-  "resource:///modules/BrowserUITelemetry.jsm");
+XPCOMUtils.defineLazyModuleGetter(this, "PageActions",
+  "resource:///modules/PageActions.jsm");
 XPCOMUtils.defineLazyModuleGetter(this, "PrivateBrowsingUtils",
   "resource://gre/modules/PrivateBrowsingUtils.jsm");
 XPCOMUtils.defineLazyModuleGetter(this, "ProfileAge",
   "resource://gre/modules/ProfileAge.jsm");
 XPCOMUtils.defineLazyModuleGetter(this, "ReaderParent",
   "resource:///modules/ReaderParent.jsm");
-XPCOMUtils.defineLazyModuleGetter(this, "PageActions",
-  "resource:///modules/PageActions.jsm");
-XPCOMUtils.defineLazyModuleGetter(this, "fxAccounts",
-  "resource://gre/modules/FxAccounts.jsm");
+XPCOMUtils.defineLazyModuleGetter(this, "ResetProfile",
+  "resource://gre/modules/ResetProfile.jsm");
+XPCOMUtils.defineLazyModuleGetter(this, "UITelemetry",
+  "resource://gre/modules/UITelemetry.jsm");
+XPCOMUtils.defineLazyModuleGetter(this, "UpdateUtils",
+  "resource://gre/modules/UpdateUtils.jsm");
 
 // See LOG_LEVELS in Console.jsm. Common examples: "All", "Info", "Warn", & "Error".
 const PREF_LOG_LEVEL      = "browser.uitour.loglevel";
 const PREF_SEENPAGEIDS    = "browser.uitour.seenPageIDs";
 
 const BACKGROUND_PAGE_ACTIONS_ALLOWED = new Set([
   "forceShowReaderIcon",
   "getConfiguration",
@@ -1615,27 +1617,28 @@ this.UITour = {
       default:
         log.error("setConfiguration: Unknown configuration requested: " + aConfiguration);
         break;
     }
   },
 
   getAppInfo(aMessageManager, aWindow, aCallbackID) {
     (async () => {
-      let props = ["defaultUpdateChannel", "version"];
-      let appinfo = {};
-      props.forEach(property => appinfo[property] = Services.appinfo[property]);
+      let appinfo = {version: Services.appinfo.version};
 
       // Identifier of the partner repack, as stored in preference "distribution.id"
       // and included in Firefox and other update pings. Note this is not the same as
       // Services.appinfo.distributionID (value of MOZ_DISTRIBUTION_ID is set at build time).
       let distribution =
           Services.prefs.getDefaultBranch("distribution.").getCharPref("id", "default");
       appinfo.distribution = distribution;
 
+      // Update channel, in a way that preserves 'beta' for RC beta builds:
+      appinfo.defaultUpdateChannel = UpdateUtils.getUpdateChannel(false /* no partner ID */);
+
       let isDefaultBrowser = null;
       try {
         let shell = aWindow.getShellService();
         if (shell) {
           isDefaultBrowser = shell.isDefaultBrowser(false);
         }
       } catch (e) {}
       appinfo.defaultBrowser = isDefaultBrowser;

--- a/browser/components/uitour/test/browser_UITour.js
+++ b/browser/components/uitour/test/browser_UITour.js
@@ -4,16 +4,17 @@
 "use strict";
 
 var gTestTab;
 var gContentAPI;
 var gContentWindow;
 
 Components.utils.import("resource://testing-common/TelemetryArchiveTesting.jsm", this);
 Components.utils.import("resource://gre/modules/ProfileAge.jsm", this);
+Components.utils.import("resource://gre/modules/UpdateUtils.jsm", this);
 
 
 function test() {
   UITourTest();
 }
 
 var tests = [
   function test_untrusted_host(done) {
@@ -286,21 +287,19 @@ var tests = [
     is(popup.popupBoxObject.anchorNode, document.getElementById("searchbar"), "Popup should be anchored to the searchbar");
     is(title.textContent, "search title", "Popup should have correct title");
     is(desc.textContent, "search text", "Popup should have correct description text");
 
     await SpecialPowers.popPrefEnv();
   }),
   function test_getConfigurationVersion(done) {
     function callback(result) {
-      let props = ["defaultUpdateChannel", "version"];
-      for (let property of props) {
-        ok(typeof(result[property]) !== "undefined", "Check " + property + " isn't undefined.");
-        is(result[property], Services.appinfo[property], "Should have the same " + property + " property.");
-      }
+      ok(typeof result.version !== "undefined", "Check version isn't undefined.");
+      is(result.version, Services.appinfo.version, "Should have the same version property.");
+      is(result.defaultUpdateChannel, UpdateUtils.getUpdateChannel(false), "Should have the correct update channel.");
       done();
     }
 
     gContentAPI.getConfiguration("appinfo", callback);
   },
   function test_getConfigurationDistribution(done) {
     gContentAPI.getConfiguration("appinfo", (result) => {
       ok(typeof(result.distribution) !== "undefined", "Check distribution isn't undefined.");