diff --git a/prefs.js b/prefs.js
new file mode 100644
index 0000000..1dc41d6
--- /dev/null
+++ b/prefs.js
@@ -0,0 +1,7 @@
+//
+// DEFAULT PREFFERENCES
+// This file should be appended to profile's prefs.js file!
+//
+
+// PREF: customized ui layout
+user_pref("browser.uiCustomization.state", "{\"placements\":{\"nav-bar\":[\"back-button\",\"forward-button\",\"stop-reload-button\",\"urlbar-container\",\"downloads-button\",\"fxa-toolbar-menu-button\"],\"toolbar-menubar\":[\"menubar-items\"],\"TabsToolbar\":[\"tabbrowser-tabs\",\"new-tab-button\"]},\"currentVersion\":18}");
\ No newline at end of file
diff --git a/user-overrides.js b/user.js
similarity index 79%
rename from user-overrides.js
rename to user.js
index 0e46fbf..ed56324 100644
--- a/user-overrides.js
+++ b/user.js
@@ -36,8 +36,5 @@ user_pref("browser.newtabpage.activity-stream.topSitesRows", 2);
 // PREF: disable alt-menu
 user_pref("ui.key.menuAccessKeyFocuses", false);
 
-// PREF: customized ui layout
-user_pref("browser.uiCustomization.state", "{\"placements\":{\"nav-bar\":[\"back-button\",\"forward-button\",\"stop-reload-button\",\"urlbar-container\",\"downloads-button\",\"fxa-toolbar-menu-button\"],\"toolbar-menubar\":[\"menubar-items\"],\"TabsToolbar\":[\"tabbrowser-tabs\",\"new-tab-button\"]},\"currentVersion\":18}");
-
 // PREF: enable hardware video acceleration via VA-API on Linux
 //user_pref("media.ffmpeg.vaapi.enabled", true); // [LINUX]