diff --git a/tests/src/test_helpers/ssl_helpers.c b/tests/src/test_helpers/ssl_helpers.c
index 91efd1c813..6c5d50c47d 100644
--- a/tests/src/test_helpers/ssl_helpers.c
+++ b/tests/src/test_helpers/ssl_helpers.c
@@ -865,6 +865,7 @@ int mbedtls_test_ssl_endpoint_init(
 
     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)