diff --git a/luci-app-macvlan/root/etc/init.d/macvlan b/luci-app-macvlan/root/etc/init.d/macvlan
index b82725472..f9a46e2f7 100755
--- a/luci-app-macvlan/root/etc/init.d/macvlan
+++ b/luci-app-macvlan/root/etc/init.d/macvlan
@@ -55,14 +55,16 @@ _create_interface() {
 			commit macvlan
 		EOF
 	}
-	logger -t "MACVLAN" "Create interface $_ifname based on $_masterifname"
-	uci batch <<-EOF
-		set network.$_ifname=interface
-		set network.$_ifname.type=macvlan
-		set network.$_ifname.proto=static
-		set network.$_ifname.masterintf=$_masterifname
-		commit network
-	EOF
+	[ "$(uci -q get network.$_ifname.masterintf)" != "$_masterifname" ] && {
+		logger -t "MACVLAN" "Create interface $_ifname based on $_masterifname"
+		uci batch <<-EOF
+			set network.$_ifname=interface
+			set network.$_ifname.type=macvlan
+			set network.$_ifname.proto=static
+			set network.$_ifname.masterintf=$_masterifname
+			commit network
+		EOF
+	}
 }
 
 # Configuration by interface