diff --git a/network/mail/thunderbird/actions.py b/network/mail/thunderbird/actions.py
index e3abcdd4e4..4c28b0cf7e 100644
--- a/network/mail/thunderbird/actions.py
+++ b/network/mail/thunderbird/actions.py
@@ -52,6 +52,8 @@ def install():
     # Install fix language packs
     pisitools.insinto("/usr/lib/thunderbird/extensions", "langpack-tb/*")
 
+    pisitools.insinto("/usr/share/metainfo", "comm/mail/branding/thunderbird/net.thunderbird.Thunderbird.appdata.xml")
+
     # Install icons
     pisitools.insinto("/usr/share/pixmaps", "comm/mail/branding/thunderbird/default256.png", "thunderbird.png")
     pisitools.insinto("%s/icons" % MOZAPPDIR, "comm/mail/branding/thunderbird/default16.png")
diff --git a/network/mail/thunderbird/files/vendor.js b/network/mail/thunderbird/files/vendor.js
index b877b9188d..f9a781321e 100644
--- a/network/mail/thunderbird/files/vendor.js
+++ b/network/mail/thunderbird/files/vendor.js
@@ -1,9 +1,9 @@
 // Use LANG environment variable to choose locale
-pref("intl.locale.matchOS", true);
+pref("intl.locale.requested", "");
 
 // Disable default mailer checking.
 pref("mail.shell.checkDefaultMail", false);
 
 // Don't disable our bundled extensions in the application directory
 pref("extensions.autoDisableScopes", 11);
-pref("extensions.shownSelectionUI", true);
\ No newline at end of file
+pref("extensions.shownSelectionUI", true);
diff --git a/network/mail/thunderbird/pspec.xml b/network/mail/thunderbird/pspec.xml
index 5473e5085f..0396032367 100644
--- a/network/mail/thunderbird/pspec.xml
+++ b/network/mail/thunderbird/pspec.xml
@@ -108,9 +108,10 @@
             <Path fileType="data">/usr/lib/thunderbird</Path>
             <Path fileType="data">/usr/share/applications</Path>
             <Path fileType="data">/usr/share/icons/hicolor</Path>
+            <Path fileType="info">/usr/share/metainfo</Path>
         </Files>
         <AdditionalFiles>
-            <AdditionalFile owner="root" permission="0644" target="/usr/lib/thunderbird/defaults/preferences/vendor.js">vendor.js</AdditionalFile>
+            <AdditionalFile owner="root" permission="0644" target="/usr/lib/thunderbird/defaults/pref/vendor.js">vendor.js</AdditionalFile>
             <!-- Desktop file -->
             <AdditionalFile owner="root" permission="0644" target="/usr/share/applications/thunderbird.desktop">thunderbird.desktop</AdditionalFile>
             <!-- Notification sound file -->