diff --git a/include/polarssl/ssl.h b/include/polarssl/ssl.h
index e51e507..1608df3 100644
--- a/include/polarssl/ssl.h
+++ b/include/polarssl/ssl.h
@@ -374,7 +374,7 @@
                         size_t output_max_len ); 
 typedef int (*rsa_sign_func)( void *ctx,
                      int (*f_rng)(void *, unsigned char *, size_t), void *p_rng,
-                     int mode, int hash_id, unsigned int hashlen,
+                     int mode, md_type_t md_alg, unsigned int hashlen,
                      const unsigned char *hash, unsigned char *sig );
 typedef size_t (*rsa_key_len_func)( void *ctx );