diff --git a/reactos/apps/utils/net/arp/arp.c b/reactos/apps/utils/net/arp/arp.c
index 30f9135c2dd..4b6586c52ca 100644
--- a/reactos/apps/utils/net/arp/arp.c
+++ b/reactos/apps/utils/net/arp/arp.c
@@ -28,6 +28,7 @@
  *
  */
 
+#define WIN32_LEAN_AND_MEAN
 #include <windows.h>
 #include <stdio.h>
 #include <stdlib.h>
@@ -37,7 +38,6 @@
 #include <winsock2.h>
 #include <iphlpapi.h>
 
-#define WIN32_LEAN_AND_MEAN
 #define UNICODE
 #define _UNICODE