diff --git a/lib/dns/sec/openssl/bn_lib.c b/lib/dns/sec/openssl/bn_lib.c
index ee85603024..26b11c4172 100644
--- a/lib/dns/sec/openssl/bn_lib.c
+++ b/lib/dns/sec/openssl/bn_lib.c
@@ -124,7 +124,7 @@ int BN_get_params(int which)
 BIGNUM *BN_value_one(void)
 	{
 	static BN_ULONG data_one=1L;
-	static BIGNUM const_one={&data_one,1,1,0};
+	static BIGNUM const_one={&data_one,1,1,0,0};
 
 	return(&const_one);
 	}