diff --git a/sys/modules/dtrace/dtrace/Makefile b/sys/modules/dtrace/dtrace/Makefile
index 4f040624b31..db1fdc11568 100644
--- a/sys/modules/dtrace/dtrace/Makefile
+++ b/sys/modules/dtrace/dtrace/Makefile
@@ -49,3 +49,6 @@ EXPORT_SYMS=	dtrace_register \
 dtrace_asm.o:  assym.s
 
 .include <bsd.kmod.mk>
+
+CWARNFLAGS+=	-Wno-parentheses
+CWARNFLAGS+=	-Wno-uninitialized