diff --git a/tests/src/test_helpers/ssl_helpers.c b/tests/src/test_helpers/ssl_helpers.c
index 58b8362..5498e55 100644
--- a/tests/src/test_helpers/ssl_helpers.c
+++ b/tests/src/test_helpers/ssl_helpers.c
@@ -870,6 +870,7 @@
 
     if (MBEDTLS_SSL_IS_CLIENT == endpoint_type) {
         ret = mbedtls_ssl_set_hostname(&(ep->ssl), "localhost");
+        TEST_EQUAL(ret, 0);
     }
 
 #if defined(MBEDTLS_SSL_PROTO_DTLS) && defined(MBEDTLS_SSL_SRV_C)