diff --git a/programs/ssl/dtls_client.c b/programs/ssl/dtls_client.c
index 58068bc..658555a 100644
--- a/programs/ssl/dtls_client.c
+++ b/programs/ssl/dtls_client.c
@@ -187,7 +187,7 @@
         goto exit;
     }
 
-    mbedtls_ssl_set_rng( &ssl, mbedtls_ctr_drbg_random, &ctr_drbg );
+    mbedtls_ssl_set_rng( &conf, mbedtls_ctr_drbg_random, &ctr_drbg );
     mbedtls_ssl_set_dbg( &conf, my_debug, stdout );
 
     mbedtls_ssl_set_bio( &ssl, &server_fd,