diff --git a/usr.sbin/efibootmgr/efibootmgr.c b/usr.sbin/efibootmgr/efibootmgr.c
index e12f869bd4b..8c7ba82cb5a 100644
--- a/usr.sbin/efibootmgr/efibootmgr.c
+++ b/usr.sbin/efibootmgr/efibootmgr.c
@@ -1034,7 +1034,7 @@ report_esp_device(bool do_dp, bool do_unix)
 		printf("%s\n", buf);
 		exit(0);
 	}
-	if (efivar_device_path_to_unix_path(dp, &dev, &relpath, &abspath) < 0)
+	if (efivar_device_path_to_unix_path(dp, &dev, &relpath, &abspath) != 0)
 		errx(1, "Can't convert to unix path");
 	if (do_unix) {
 		if (abspath == NULL)