diff --git a/programs/x509/cert_app.c b/programs/x509/cert_app.c
index a8bc64a..9f6356d 100644
--- a/programs/x509/cert_app.c
+++ b/programs/x509/cert_app.c
@@ -412,15 +412,15 @@
 
         if( verify )
         {
-            mbedtls_ssl_set_authmode( &ssl, MBEDTLS_SSL_VERIFY_REQUIRED );
+            mbedtls_ssl_set_authmode( &conf, MBEDTLS_SSL_VERIFY_REQUIRED );
             mbedtls_ssl_set_ca_chain( &ssl, &cacert, NULL, opt.server_name );
-            mbedtls_ssl_set_verify( &ssl, my_verify, NULL );
+            mbedtls_ssl_set_verify( &conf, my_verify, NULL );
         }
         else
-            mbedtls_ssl_set_authmode( &ssl, MBEDTLS_SSL_VERIFY_NONE );
+            mbedtls_ssl_set_authmode( &conf, MBEDTLS_SSL_VERIFY_NONE );
 
         mbedtls_ssl_set_rng( &ssl, mbedtls_ctr_drbg_random, &ctr_drbg );
-        mbedtls_ssl_set_dbg( &ssl, my_debug, stdout );
+        mbedtls_ssl_set_dbg( &conf, my_debug, stdout );
         mbedtls_ssl_set_bio_timeout( &ssl, &server_fd, mbedtls_net_send, mbedtls_net_recv, NULL, 0 );
 
         if( ( ret = mbedtls_ssl_set_own_cert( &ssl, &clicert, &pkey ) ) != 0 )