diff --git a/gentoo/portage/make.conf b/gentoo/portage/make.conf
index bb77d42c..50c81076 100644
--- a/gentoo/portage/make.conf
+++ b/gentoo/portage/make.conf
@@ -27,6 +27,8 @@ PORTAGE_LOGDIR_CLEAN="find \"\${PORTAGE_LOGDIR}\" -type f ! -name \"summary.log*
 PORTAGE_TMPDIR="/var/tmp"
 DISTDIR="/var/cache/distfiles"
 
+CONFIG_PROTECT_MASK="/etc/conf.d/syncthing"
+
 # NOTE: This stage was built with the bindist USE flag enabled
 
 # This sets the language of build output to English.