diff --git a/lib/libldns/Makefile b/lib/libldns/Makefile
index 7714db950f00..2692b2b29e2e 100644
--- a/lib/libldns/Makefile
+++ b/lib/libldns/Makefile
@@ -24,6 +24,7 @@ LIBADD=	ssl crypto
 
 WARNS?=	3
 
+CWARNFLAGS.edns.c=	${NO_WSTRICT_PROTOTYPES}
 CWARNFLAGS.parse.c=	${NO_WUSE_AFTER_FREE}
 CWARNFLAGS.sha2.c=	${NO_WARRAY_PARAMETER}