diff --git a/contrib/sendmail/include/sm/os/sm_os_freebsd.h b/contrib/sendmail/include/sm/os/sm_os_freebsd.h
index 3ba61fd5460a..cb4d6f4685f0 100644
--- a/contrib/sendmail/include/sm/os/sm_os_freebsd.h
+++ b/contrib/sendmail/include/sm/os/sm_os_freebsd.h
@@ -39,3 +39,7 @@
 #ifndef SM_CONF_MSG
 # define SM_CONF_MSG	1
 #endif /* SM_CONF_MSG */
+
+#ifndef SM_IPNODEBYNAME_FLAGS
+# define SM_IPNODEBYNAME_FLAGS	AI_DEFAULT|AI_ALL
+#endif /* SM_IPNODEBYNAME_FLAGS */