diff --git a/omr-tracker/files/bin/omr-tracker-server b/omr-tracker/files/bin/omr-tracker-server
index ef80e9086..fcab8b2d4 100755
--- a/omr-tracker/files/bin/omr-tracker-server
+++ b/omr-tracker/files/bin/omr-tracker-server
@@ -64,14 +64,16 @@ _check_master() {
 	config_get disabled $1 disabled
 	[ "$master" = "1" ] && [ -n "$ip" ] && [ "$disabled" != "1" ] && {
 		set_ip() {
-			local ip=$1
-			ipresolve="$(resolveip -4 $ip | head -n 1)"
+			local ipd=$1
+			local ip=""
+			ipresolve="$(resolveip -4 $ipd | head -n 1)"
 			if [ -n "$ipresolve" ]; then
 				ip="$ipresolve"
 			else
-				ip6resolve="$(resolveip -6 $ip | head -n 1)"
+				ip6resolve="$(resolveip -6 $ipd | head -n 1)"
 				[ -n "$ip6resolve" ] && ip="$ip6resolve"
 			fi
+			[ -z "$ip" ] && return
 			#_ping_server $ip
 			_check_server $ip $port
 			if [ "$server_ping" = true ]; then