diff --git a/library/ssl_tls12_client.c b/library/ssl_tls12_client.c
index 5488eb0..2129da1 100644
--- a/library/ssl_tls12_client.c
+++ b/library/ssl_tls12_client.c
@@ -2082,7 +2082,7 @@
 
 #if defined(MBEDTLS_X509_RSASSA_PSS_SUPPORT)
         if (pk_alg == MBEDTLS_PK_RSASSA_PSS) {
-            ret = mbedtls_pk_verify_new((mbedtls_pk_sigalg_t) pk_alg, peer_pk,
+            ret = mbedtls_pk_verify_new(pk_alg, peer_pk,
                                         md_alg, hash, hashlen,
                                         p, sig_len);
         } else