diff --git a/tests/unit_tests/openvpn/test_argv.c b/tests/unit_tests/openvpn/test_argv.c
index e686adcb..1b18ac0d 100644
--- a/tests/unit_tests/openvpn/test_argv.c
+++ b/tests/unit_tests/openvpn/test_argv.c
@@ -266,6 +266,7 @@ main(void)
         cmocka_unit_test(argv_str__empty_argv__empty_output),
         cmocka_unit_test(argv_str__multiple_argv__correct_output),
         cmocka_unit_test(argv_insert_head__non_empty_argv__head_added),
+        cmocka_unit_test(argv_insert_head__empty_argv__head_only),
     };
 
     return cmocka_run_group_tests_name("argv", tests, NULL, NULL);