diff --git a/stand/userboot/test/Makefile b/stand/userboot/test/Makefile
index 1bc66798aac8..a9c3bcc628d0 100644
--- a/stand/userboot/test/Makefile
+++ b/stand/userboot/test/Makefile
@@ -9,6 +9,6 @@ MK_SSP=		no
 PROG=		test
 INTERNALPROG=
 
-CFLAGS+=	-I${BOOTSRC}/userboot
+CFLAGS+=	-I${BOOTSRC}/userboot -U_STANDALONE
 
 .include <bsd.prog.mk>