diff --git a/application/basilisk/branding/shared/preferences.inc b/application/basilisk/branding/shared/preferences.inc
index e1b8d3be6f..dd8ae038fe 100644
--- a/application/basilisk/branding/shared/preferences.inc
+++ b/application/basilisk/branding/shared/preferences.inc
@@ -23,4 +23,4 @@ pref("app.update.badgeWaitTime", 0);
 pref("devtools.selfxss.count", 100);
 
 // 
-pref("general.useragent.appVersionIsBuildID", true);
+pref("general.useragent.appVersionIsBuildID", false);
diff --git a/application/basilisk/branding/unofficial/pref/basilisk-branding.js b/application/basilisk/branding/unofficial/pref/basilisk-branding.js
index 03c662386e..2f48bd47d5 100644
--- a/application/basilisk/branding/unofficial/pref/basilisk-branding.js
+++ b/application/basilisk/branding/unofficial/pref/basilisk-branding.js
@@ -36,6 +36,10 @@ pref("app.update.url.manual", "about:");
 // supplied in the "An update is available" page of the update wizard.
 pref("app.update.url.details", "about:");
 
+// Provide UA Gecko and Firefox slices for web compatibility
+pref("general.useragent.compatMode.firefox",true);
+pref("general.useragent.compatMode.gecko",true);
+
 // Switch Application Updates off for unofficial branding
 pref("app.update.enabled", false);