diff --git a/libs/evoral/src/libsmf/smf.c b/libs/evoral/src/libsmf/smf.c
index 10fb419fb3..ba805e0b04 100644
--- a/libs/evoral/src/libsmf/smf.c
+++ b/libs/evoral/src/libsmf/smf.c
@@ -39,7 +39,7 @@
 #include <assert.h>
 #include <math.h>
 #include <errno.h>
-#ifdef WIN32
+#ifdef PLATFORM_WINDOWS
 #include <winsock2.h>
 #else
 #include <arpa/inet.h>
diff --git a/libs/evoral/src/libsmf/smf_decode.c b/libs/evoral/src/libsmf/smf_decode.c
index 395d483bea..7a64a15d0d 100644
--- a/libs/evoral/src/libsmf/smf_decode.c
+++ b/libs/evoral/src/libsmf/smf_decode.c
@@ -37,7 +37,7 @@
 #include <assert.h>
 #include <math.h>
 #include <errno.h>
-#ifdef WIN32
+#ifdef PLATFORM_WINDOWS
 #include <winsock2.h>
 #else
 #include <arpa/inet.h>
diff --git a/libs/evoral/src/libsmf/smf_load.c b/libs/evoral/src/libsmf/smf_load.c
index 60b5d8166b..25d95baecd 100644
--- a/libs/evoral/src/libsmf/smf_load.c
+++ b/libs/evoral/src/libsmf/smf_load.c
@@ -40,7 +40,7 @@
 #include <math.h>
 #include <errno.h>
 #include <ctype.h>
-#ifdef WIN32
+#ifdef PLATFORM_WINDOWS
 #include <winsock2.h>
 #else
 #include <arpa/inet.h>
diff --git a/libs/evoral/src/libsmf/smf_save.c b/libs/evoral/src/libsmf/smf_save.c
index 8413ecdc6f..3b313cff5a 100644
--- a/libs/evoral/src/libsmf/smf_save.c
+++ b/libs/evoral/src/libsmf/smf_save.c
@@ -39,7 +39,7 @@
 #include <assert.h>
 #include <math.h>
 #include <errno.h>
-#ifdef WIN32
+#ifdef PLATFORM_WINDOWS
 #include <winsock2.h>
 #else
 #include <arpa/inet.h>