diff --git a/tests/suites/test_suite_ssl.function b/tests/suites/test_suite_ssl.function
index 552c06a7b9..38837f2ead 100644
--- a/tests/suites/test_suite_ssl.function
+++ b/tests/suites/test_suite_ssl.function
@@ -6019,6 +6019,7 @@ void verify_result_without_handshake(void)
 
     mbedtls_ssl_conf_authmode(&conf, MBEDTLS_SSL_VERIFY_OPTIONAL);
     mbedtls_ssl_conf_ca_chain(&conf, NULL, NULL);
+    mbedtls_ssl_conf_rng(&conf, mbedtls_test_random, NULL);
 
     TEST_EQUAL(mbedtls_ssl_setup(&ssl, &conf), 0);