diff --git a/build.sh b/build.sh
index 177ff6d..929bbe9 100755
--- a/build.sh
+++ b/build.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-VERSION=1.2
+VERSION=1.3
 
 cd $(dirname $0)
 
diff --git a/client/clientutil.go b/client/clientutil.go
index db43cbe..c26a8e3 100644
--- a/client/clientutil.go
+++ b/client/clientutil.go
@@ -14,7 +14,7 @@ type ClientInfo struct {
 }
 
 func ReadClients(execFn ba.CmdExecutorFn, cfg *ba.Config) ([]ClientInfo, error) {
-	output, err := execFn(fmt.Sprintf("arp -a -i %s", cfg.BridgeName))
+	output, err := execFn(fmt.Sprintf("arp -a -H ether -i %s", cfg.BridgeName))
 	if err != nil {
 		return nil, err
 	}
diff --git a/client/clientutil_test.go b/client/clientutil_test.go
index 56cf854..cd74160 100644
--- a/client/clientutil_test.go
+++ b/client/clientutil_test.go
@@ -9,6 +9,7 @@ import (
 func TestReadClients(t *testing.T) {
 	cfg := &ba.Config{
 		BridgeName: "br-lan",
+		BridgeAddr: "192.168.4.1",
 	}
 	clients, err := ReadClients(func(s string) (string, error) {
 		return arpResult, nil