--- a/browser/installer/package-manifest.in	2020-04-27 16:56:07.222346286 +0200
+++ b/browser/installer/package-manifest.in	2020-04-27 17:05:38.822349984 +0200
@@ -295,6 +295,7 @@
 
 ; [Default Preferences]
 ; All the pref files must be part of base to prevent migration bugs
+@RESPATH@/browser/@PREF_DIR@/all-gentoo.js
 @RESPATH@/browser/@PREF_DIR@/icecat.js
 @RESPATH@/browser/@PREF_DIR@/icecat-branding.js
 @RESPATH@/greprefs.js