diff --git a/tests/unittests/torture_config.c b/tests/unittests/torture_config.c
index e18cf9cb..56c42093 100644
--- a/tests/unittests/torture_config.c
+++ b/tests/unittests/torture_config.c
@@ -167,18 +167,21 @@ static void torture_config_from_file(void **state) {
 
     ret = ssh_options_get(session, SSH_OPTIONS_PROXYCOMMAND, &v);
     assert_true(ret == 0);
+    assert_non_null(v);
 
     assert_string_equal(v, PROXYCMD);
     ssh_string_free_char(v);
 
     ret = ssh_options_get(session, SSH_OPTIONS_IDENTITY, &v);
     assert_true(ret == 0);
+    assert_non_null(v);
 
     assert_string_equal(v, ID_FILE);
     ssh_string_free_char(v);
 
     ret = ssh_options_get(session, SSH_OPTIONS_USER, &v);
     assert_true(ret == 0);
+    assert_non_null(v);
 
     assert_string_equal(v, USERNAME);
     ssh_string_free_char(v);