diff --git a/usr/lib/ffdns/update-dns.sh b/usr/lib/ffdns/update-dns.sh
index ad24cfa..8636d17 100755
--- a/usr/lib/ffdns/update-dns.sh
+++ b/usr/lib/ffdns/update-dns.sh
@@ -68,8 +68,7 @@ UpdateExternal() {
 	if [ -n "$ExternalView" ] || [ -n "$ExternDomain" ]; then
 		SerialExtern="$(GetZoneFileSerial "$ExternalZoneFile")"
 		if [ $((SerialIntern)) -gt $((SerialExtern)) ]; then
-			sed -e '/^[^;]*\s\(10\.\|[fF][cdCD][0-9a-fA-F]\{2\}:\)\S*\s*\(;.*\)\?$/d; \
-			s/^[^;^@]*\s\+\([^;]*\)\s[Ii][Nn]\s\+[Ss][Oo][Aa]\s/@                         \1 IN SOA /g' "$InternalZoneFile" \
+			sed -e '/^[^;]*\s\(10\.\|[fF][cdCD][0-9a-fA-F]\{2\}:\)\S*\s*\(;.*\)\?$/d;s/^[^;^@]*\s\+\([^;]*\)\s[Ii][Nn]\s\+[Ss][Oo][Aa]\s/@                         \1 IN SOA /g' "$InternalZoneFile" \
 			> "$ExternalZoneFile"
 			UpdateExternView=1
 			ReloadZone "$InternalDomain" "$ExternalView" "$ZoneFilesFolder"