diff --git a/include/bx/platform.h b/include/bx/platform.h
index 8de637b..e9fd74b 100644
--- a/include/bx/platform.h
+++ b/include/bx/platform.h
@@ -174,7 +174,11 @@
 #	define BX_PLATFORM_IOS 1
 #elif defined(__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__)
 #	undef  BX_PLATFORM_OSX
-#	define BX_PLATFORM_OSX 1
+#	if defined(__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__)
+#		define BX_PLATFORM_OSX __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__
+#	else
+#		define BX_PLATFORM_OSX 1
+#	endif // defined(MAC_OS_X_VERSION_MAX_ALLOWED)
 #elif defined(__EMSCRIPTEN__)
 #	undef  BX_PLATFORM_EMSCRIPTEN
 #	define BX_PLATFORM_EMSCRIPTEN 1