diff --git a/arch_init.c b/arch_init.c
index 171e21c7d..cfc03ead5 100644
--- a/arch_init.c
+++ b/arch_init.c
@@ -24,6 +24,7 @@
 #include <stdint.h>
 #include <stdarg.h>
 #ifndef _WIN32
+#include <sys/types.h>
 #include <sys/mman.h>
 #endif
 #include "config.h"