diff --git a/contrib/win32/win32compat/kerberos.c b/contrib/win32/win32compat/kerberos.c
index c775f3e..8462eab 100644
--- a/contrib/win32/win32compat/kerberos.c
+++ b/contrib/win32/win32compat/kerberos.c
@@ -166,38 +166,38 @@ void UninitMitKerberos()
  * KfW libs here.
  */
 
-OM_uint32 KRB5_CALLCONV gss_indicate_mechs(OM_uint32 *a, gss_OID_set *b)
+KFW_CALL gss_indicate_mechs(OM_uint32 *a, gss_OID_set *b)
 {
   return MitDispatch.gss_indicate_mechs(a, b);
 }
 
-OM_uint32 KRB5_CALLCONV gss_release_buffer(OM_uint32 *a, gss_buffer_t b)
+KFW_CALL gss_release_buffer(OM_uint32 *a, gss_buffer_t b)
 {
   return MitDispatch.gss_release_buffer(a, b);
 }
 
-OM_uint32 KRB5_CALLCONV gss_display_status(OM_uint32 *a, OM_uint32 b, int c, gss_OID d,
+KFW_CALL gss_display_status(OM_uint32 *a, OM_uint32 b, int c, gss_OID d, 
                                 OM_uint32 *e, gss_buffer_t f)
 {
   return MitDispatch.gss_display_status(a, b, c, d, e, f);
 }
 
-OM_uint32 KRB5_CALLCONV gss_delete_sec_context(OM_uint32 *a, gss_ctx_id_t *b, gss_buffer_t c)
+KFW_CALL gss_delete_sec_context(OM_uint32 *a, gss_ctx_id_t *b, gss_buffer_t c)
 {
   return MitDispatch.gss_delete_sec_context(a, b, c);
 }
 
-OM_uint32 KRB5_CALLCONV gss_release_name(OM_uint32 *a, gss_name_t *b)
+KFW_CALL gss_release_name(OM_uint32 *a, gss_name_t *b)
 {
   return MitDispatch.gss_release_name(a, b);
 }
 
-OM_uint32 KRB5_CALLCONV gss_release_cred(OM_uint32 *a, gss_cred_id_t *b)
+KFW_CALL gss_release_cred(OM_uint32 *a, gss_cred_id_t *b)
 {
   return MitDispatch.gss_release_cred(a, b);
 }
 
-OM_uint32 KRB5_CALLCONV gss_init_sec_context(OM_uint32 *a, gss_cred_id_t b,
+KFW_CALL gss_init_sec_context(OM_uint32 *a, gss_cred_id_t b,
                                   gss_ctx_id_t *c, gss_name_t d,
                                       gss_OID e, OM_uint32 f,
                                           OM_uint32 g, gss_channel_bindings_t h,
@@ -208,12 +208,12 @@ OM_uint32 KRB5_CALLCONV gss_init_sec_context(OM_uint32 *a, gss_cred_id_t b,
   return MitDispatch.gss_init_sec_context(a, b, c, d, e, f, g, h, i, j, k, l, m);
 }
 
-OM_uint32 KRB5_CALLCONV gss_import_name(OM_uint32 *a, gss_buffer_t b, gss_OID c, gss_name_t *d)
+KFW_CALL gss_import_name(OM_uint32 *a, gss_buffer_t b, gss_OID c, gss_name_t *d)
 {
   return MitDispatch.gss_import_name(a, b, c, d);
 }
 
-OM_uint32 KRB5_CALLCONV gss_get_mic(OM_uint32 *a, gss_ctx_id_t b, gss_qop_t c,
+KFW_CALL gss_get_mic(OM_uint32 *a, gss_ctx_id_t b, gss_qop_t c,
                          gss_buffer_t d, gss_buffer_t e)
 {
   return MitDispatch.gss_get_mic(a, b, c, d, e);
diff --git a/contrib/win32/win32compat/kerberos.h b/contrib/win32/win32compat/kerberos.h
index 42ebb26..e8a8a7d 100644
--- a/contrib/win32/win32compat/kerberos.h
+++ b/contrib/win32/win32compat/kerberos.h
@@ -55,22 +55,21 @@ void UninitMitKerberos();
  * needed by ssh client here.
  */
  
+#define KFW_CALL OM_uint32 KRB5_CALLCONV
 
-typedef OM_uint32 _stdcall KFW_CALL;
+typedef KFW_CALL (*gss_indicate_mechs_ptr)(OM_uint32 *, gss_OID_set *);
+typedef KFW_CALL (*gss_release_buffer_ptr)(OM_uint32 *, gss_buffer_t);
 
-typedef  OM_uint32 (KRB5_CALLCONV *gss_indicate_mechs_ptr)(OM_uint32 *, gss_OID_set *);
-typedef OM_uint32(KRB5_CALLCONV *gss_release_buffer_ptr)(OM_uint32 *, gss_buffer_t);
-
-typedef OM_uint32(KRB5_CALLCONV *gss_display_status_ptr)(OM_uint32 *, OM_uint32, int,
+typedef KFW_CALL (*gss_display_status_ptr)(OM_uint32 *, OM_uint32, int, 
                                        gss_OID, OM_uint32 *, gss_buffer_t);
 
-typedef OM_uint32(KRB5_CALLCONV *gss_delete_sec_context_ptr)(OM_uint32 *, gss_ctx_id_t *,
+typedef KFW_CALL (*gss_delete_sec_context_ptr)(OM_uint32 *, gss_ctx_id_t *, 
                                            gss_buffer_t);
 
-typedef OM_uint32(KRB5_CALLCONV *gss_release_name_ptr)(OM_uint32 *, gss_name_t *);
-typedef OM_uint32(KRB5_CALLCONV *gss_release_cred_ptr)(OM_uint32 *, gss_cred_id_t *);
+typedef KFW_CALL (*gss_release_name_ptr)(OM_uint32 *, gss_name_t *);
+typedef KFW_CALL (*gss_release_cred_ptr)(OM_uint32 *, gss_cred_id_t *);
 
-typedef OM_uint32(KRB5_CALLCONV *gss_init_sec_context_ptr)(OM_uint32 *, gss_cred_id_t,
+typedef KFW_CALL (*gss_init_sec_context_ptr)(OM_uint32 *, gss_cred_id_t,
                                          gss_ctx_id_t *, gss_name_t,
                                              gss_OID, OM_uint32, OM_uint32, 
                                                  gss_channel_bindings_t,
@@ -78,19 +77,19 @@ typedef OM_uint32(KRB5_CALLCONV *gss_init_sec_context_ptr)(OM_uint32 *, gss_cred
                                                          gss_buffer_t, OM_uint32 *,
                                                              OM_uint32 *);
 
-typedef OM_uint32(KRB5_CALLCONV *gss_import_name_ptr)(OM_uint32 *, gss_buffer_t,
+typedef KFW_CALL (*gss_import_name_ptr)(OM_uint32 *, gss_buffer_t, 
                                             gss_OID, gss_name_t *);
 
-typedef OM_uint32 (KRB5_CALLCONV *gss_get_mic_ptr)(OM_uint32 *, gss_ctx_id_t, 
+typedef OM_uint32 KRB5_CALLCONV (*gss_get_mic_ptr)(OM_uint32 *, gss_ctx_id_t, 
                                                        gss_qop_t, gss_buffer_t, 
                                                            gss_buffer_t);
 
-typedef void (KRB5_CALLCONV *krb5_free_context_ptr)(krb5_context);
+typedef void KRB5_CALLCONV (*krb5_free_context_ptr)(krb5_context);
 
-typedef void (KRB5_CALLCONV *krb5_free_principal_ptr)(krb5_context,
+typedef void KRB5_CALLCONV (*krb5_free_principal_ptr)(krb5_context,
                                                           krb5_principal);
                                                           
-typedef krb5_error_code (KRB5_CALLCONV *krb5_cc_destroy_ptr)(krb5_context, 
+typedef krb5_error_code KRB5_CALLCONV (*krb5_cc_destroy_ptr)(krb5_context, 
                                                                  krb5_ccache);
 
 #endif