diff --git a/lib/libldns/Makefile b/lib/libldns/Makefile
--- a/lib/libldns/Makefile
+++ b/lib/libldns/Makefile
@@ -23,4 +23,6 @@
 
 WARNS ?= 3
 
+CWARNFLAGS.sha2.c=	${NO_WARRAY_PARAMETER}
+
 .include <bsd.lib.mk>