diff --git a/sys/arch/i386/stand/mbr/Makefile.mbr b/sys/arch/i386/stand/mbr/Makefile.mbr
index e971c0d09265..ab10bbe75cd8 100644
--- a/sys/arch/i386/stand/mbr/Makefile.mbr
+++ b/sys/arch/i386/stand/mbr/Makefile.mbr
@@ -2,6 +2,8 @@
 
 S=		${.CURDIR}/../../../../..
 
+NOSANITIZER=	# defined
+
 NOMAN=		# defined
 
 LIBCRT0=	# nothing