diff --git a/bochs/config.h.in b/bochs/config.h.in
index c440aceda..1cdb114cb 100644
--- a/bochs/config.h.in
+++ b/bochs/config.h.in
@@ -456,7 +456,7 @@
 #ifdef __MINGW32__
   typedef unsigned long long Bit64u;
   typedef   signed long long Bit64s;
-  typedef             Bit32s ssize_t;
+#include <sys/types.h>
 #else
   typedef unsigned __int64   Bit64u;
   typedef   signed __int64   Bit64s;