--- a/toolkit/components/moz.build
+++ b/toolkit/components/moz.build
@@ -29,17 +29,16 @@ DIRS += [
     'filepicker',
     'filewatcher',
     'finalizationwitness',
     'formautofill',
     'find',
     'gfx',
     'jsdownloads',
     'lz4',
-    'narrate',
     'mediasniffer',
     'microformats',
     'osfile',
     'parentalcontrols',
     'passwordmgr',
     'perf',
     'perfmonitoring',
     'places',
@@ -63,17 +62,17 @@ DIRS += [
     'utils',
     'urlformatter',
     'viewconfig',
     'workerloader',
     'xulstore'
 ]
 
 if CONFIG['MOZ_BUILD_APP'] != 'mobile/android':
-    DIRS += ['viewsource'];
+    DIRS += ['narrate', 'viewsource'];
 
     if CONFIG['NS_PRINTING']:
         DIRS += ['printing']
 
 if CONFIG['MOZ_CRASHREPORTER']:
     DIRS += ['crashes']
 
 if CONFIG['MOZ_SOCIAL']: