diff --git a/chat/znc/Makefile b/chat/znc/Makefile
index 25a955a1858f..3e917bb10d96 100644
--- a/chat/znc/Makefile
+++ b/chat/znc/Makefile
@@ -1,4 +1,4 @@
-# $NetBSD: Makefile,v 1.10 2019/10/01 13:49:58 nia Exp $
+# $NetBSD: Makefile,v 1.11 2019/10/02 11:14:42 nia Exp $
 
 DISTNAME=	znc-1.7.5
 CATEGORIES=	net
@@ -17,6 +17,8 @@ MANCOMPRESSED=	yes
 # C++11
 GCC_REQD+=	4.7
 
+LDFLAGS.SunOS+=	-lsocket -lnsl
+
 PLIST_SRC=	PLIST
 PLIST_SUBST+=	ZNC_USER="${ZNC_USER}"
 PLIST_SUBST+=	PKG_SYSCONFDIR="${PKG_SYSCONFDIR}"