diff --git a/Makefile b/Makefile
index ea5b97f..e62ec4e 100644
--- a/Makefile
+++ b/Makefile
@@ -43,10 +43,10 @@ fmt:
 	go fmt ./...
 
 build:
-	go build -tags "udp zookeeper etcd consul ping" ./...
+	go build -tags "reuseport kcp quic zookeeper etcd consul ping" ./...
 
 buildu:
-	go build -tags "udp zookeeper etcd consul ping" ./...
+	go build -tags "reuseport kcp quic zookeeper etcd consul ping" ./...
 
 test:
-	go test -tags "udp zookeeper etcd consul ping" ./...
+	go test -tags "reuseport kcp quic zookeeper etcd consul ping" ./...
diff --git a/server/listener_unix.go b/server/listener_unix.go
index 04b0d7b..78a0476 100644
--- a/server/listener_unix.go
+++ b/server/listener_unix.go
@@ -3,6 +3,7 @@
 package server
 
 import (
+	"net"
 
 	reuseport "github.com/kavu/go_reuseport"
 )
@@ -11,8 +12,8 @@ func init() {
 	makeListeners["reuseport"] = reuseportMakeListener
 }
 
-
-func reuseportMakeListener func(s *Server, address string) (ln net.Listener, err error) {
+func reuseportMakeListener(s *Server, address string) (ln net.Listener, err error) {
+	var network string
 	if validIP4(address) {
 		network = "tcp4"
 	} else {
@@ -20,4 +21,4 @@ func reuseportMakeListener func(s *Server, address string) (ln net.Listener, err
 	}
 
 	return reuseport.NewReusablePortListener(network, address)
-}
\ No newline at end of file
+}