diff --git a/programs/ssl/ssl_client2.c b/programs/ssl/ssl_client2.c
index 204b975..214f471 100644
--- a/programs/ssl/ssl_client2.c
+++ b/programs/ssl/ssl_client2.c
@@ -1538,6 +1538,10 @@
             {
                 sig_alg_list[i++] = MBEDTLS_TLS13_SIG_RSA_PSS_RSAE_SHA256;
             }
+            else if( strcmp( q, "rsa_pkcs1_sha256" ) == 0 )
+            {
+                sig_alg_list[i++] = MBEDTLS_TLS13_SIG_RSA_PKCS1_SHA256;
+            }
             else
             {
                 mbedtls_printf( "unknown signature algorithm %s\n", q );
@@ -1546,6 +1550,7 @@
                 mbedtls_printf( "ecdsa_secp384r1_sha384 " );
                 mbedtls_printf( "ecdsa_secp521r1_sha512 " );
                 mbedtls_printf( "rsa_pss_rsae_sha256 " );
+                mbedtls_printf( "rsa_pkcs1_sha256 " );
                 mbedtls_printf( "\n" );
                 goto exit;
             }