diff --git a/src/fullscreen.c b/src/fullscreen.c
index 4372d153..f59046d8 100644
--- a/src/fullscreen.c
+++ b/src/fullscreen.c
@@ -32,7 +32,7 @@
 #include "internal.h"
 
 #include <stdlib.h>
-#if _WIN32
+#if defined(_MSC_VER)
  #include <malloc.h>
 #endif
 
diff --git a/src/window.c b/src/window.c
index b46065a7..817691de 100644
--- a/src/window.c
+++ b/src/window.c
@@ -33,7 +33,7 @@
 
 #include <string.h>
 #include <stdlib.h>
-#if _WIN32
+#if defined(_MSC_VER)
  #include <malloc.h>
 #endif