diff --git a/Modules/socketmodule.c b/Modules/socketmodule.c
index 580ac0a..76ef606 100644
--- a/Modules/socketmodule.c
+++ b/Modules/socketmodule.c
@@ -473,13 +473,12 @@
 #endif
 
 #ifdef MS_WIN32
-#undef EAFNOSUPPORT
-#define EAFNOSUPPORT WSAEAFNOSUPPORT
-#define snprintf _snprintf
+#  undef EAFNOSUPPORT
+#  define EAFNOSUPPORT WSAEAFNOSUPPORT
 #endif
 
 #ifndef SOCKETCLOSE
-#define SOCKETCLOSE close
+#  define SOCKETCLOSE close
 #endif
 
 #if (defined(HAVE_BLUETOOTH_H) || defined(HAVE_BLUETOOTH_BLUETOOTH_H)) && !defined(__NetBSD__) && !defined(__DragonFly__)