diff --git a/sys/conf/kern.mk b/sys/conf/kern.mk
index 8fdc6c2c72e4..00616c7f38ca 100644
--- a/sys/conf/kern.mk
+++ b/sys/conf/kern.mk
@@ -67,6 +67,9 @@ CWARNEXTRA+=	-Wno-error=misleading-indentation		\
 		-Wno-error=shift-overflow			\
 		-Wno-error=tautological-compare
 .endif
+.if ${COMPILER_VERSION} >= 70200
+CWARNEXTRA+=	-Wno-error=memset-elt-size
+.endif
 .if ${COMPILER_VERSION} >= 80000
 CWARNEXTRA+=	-Wno-error=packed-not-aligned
 .endif