diff --git a/src/platform.c b/src/platform.c
index 7d6a94d..d24a193 100644
--- a/src/platform.c
+++ b/src/platform.c
@@ -1,5 +1,4 @@
 #ifdef __APPLE__
-#include <stdlib.h>
 #include <sys/types.h>
 #include <sys/sysctl.h>
 #elif linux
@@ -9,6 +8,8 @@
 #error unsupported platform
 #endif
 
+#include <stdlib.h>
+
 #include <util.h>
 #include <platform.h>
 #include <message.h>