diff --git a/lib/test_kmod.c b/lib/test_kmod.c
index eab52770070d63d4266f4054ac2583e896ba9804..c637f6b5053a902650a5babcafd07f685af5ae9e 100644
--- a/lib/test_kmod.c
+++ b/lib/test_kmod.c
@@ -1155,6 +1155,7 @@ static struct kmod_test_device *register_test_dev_kmod(void)
 	if (ret) {
 		pr_err("could not register misc device: %d\n", ret);
 		free_test_dev_kmod(test_dev);
+		test_dev = NULL;
 		goto out;
 	}