diff --git a/browser/branding/shared/preferences.inc b/browser/branding/shared/preferences.inc
index 08f6c950b6..90fd3da066 100644
--- a/browser/branding/shared/preferences.inc
+++ b/browser/branding/shared/preferences.inc
@@ -31,3 +31,5 @@ pref("browser.safebrowsing.downloads.remote.enabled", false);
 // Disable the UI controls for it as well for Basilisk-official.
 pref("browser.safebrowsing.UI.enabled", false);
 
+// 
+pref("general.useragent.appVersionIsBuildID", true);
diff --git a/modules/libpref/init/all.js b/modules/libpref/init/all.js
index fb9a16ed04..b6a4b7d264 100644
--- a/modules/libpref/init/all.js
+++ b/modules/libpref/init/all.js
@@ -24,7 +24,7 @@ pref("general.useragent.locale", "chrome://global/locale/intl.properties");
 pref("general.useragent.compatMode.gecko", false);
 pref("general.useragent.compatMode.firefox", false);
 pref("general.useragent.compatMode.version", "52.9");
-pref("general.useragent.appVersionIsBuildID", true);
+pref("general.useragent.appVersionIsBuildID", false);
 
 // This pref exists only for testing purposes. In order to disable all
 // overrides by default, don't initialize UserAgentOverrides.jsm.