diff --git a/main/php.h b/main/php.h
index 7b1a9256bafe2..e14d6258d2d3d 100644
--- a/main/php.h
+++ b/main/php.h
@@ -47,7 +47,7 @@
 #elif defined(BSD) || defined(__DragonFly__) || defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__)
 # define PHP_OS_FAMILY			"BSD"
 #elif defined(__APPLE__) || defined(__MACH__)
-# define PHP_OS_FAMILY			"OSX"
+# define PHP_OS_FAMILY			"Mac"
 #elif defined(__sun__)
 # define PHP_OS_FAMILY			"Solaris"
 #elif defined(__linux__)