diff --git a/include/krb5-types.h.w32 b/include/krb5-types.h.w32
index a5630823e..4506983a0 100644
--- a/include/krb5-types.h.w32
+++ b/include/krb5-types.h.w32
@@ -35,13 +35,13 @@
 #ifndef __BIT_TYPES_DEFINED__
 #define __BIT_TYPES_DEFINED__
 
-typedef signed char        int8_t;
-typedef short int          int16_t;
-typedef int                int32_t;
+typedef __int8             int8_t;
+typedef __int16            int16_t;
+typedef __int32            int32_t;
 typedef __int64            int64_t;
-typedef unsigned char      uint8_t;
-typedef unsigned short int uint16_t;
-typedef unsigned int       uint32_t;
+typedef unsigned __int8    uint8_t;
+typedef unsigned __int16   uint16_t;
+typedef unsigned __int32   uint32_t;
 typedef unsigned __int64   uint64_t;
 typedef uint8_t            u_int8_t;
 typedef uint16_t           u_int16_t;