diff --git a/package/base-files/files/sbin/sysupgrade b/package/base-files/files/sbin/sysupgrade
index 4feb1a9370..7f258ee899 100755
--- a/package/base-files/files/sbin/sysupgrade
+++ b/package/base-files/files/sbin/sysupgrade
@@ -44,7 +44,7 @@ EOF
 
 add_uci_conffiles() {
 	local file="$1"
-	find /etc/config /etc/passwd /etc/group /etc/dropbear > "$file"
+	find /etc/config /etc/passwd /etc/group /etc/dropbear /etc/firewall.user > "$file"
 	return 0
 }