diff --git a/net/libdnet/Makefile b/net/libdnet/Makefile
index 2004f32597ea..374e0557ceb2 100644
--- a/net/libdnet/Makefile
+++ b/net/libdnet/Makefile
@@ -13,7 +13,7 @@ LICENSE_FILE=	${WRKSRC}/LICENSE
 
 LIB_DEPENDS=	libpfctl.so:net/libpfctl
 
-USES?=		autoreconf libtool localbase
+USES?=		autoreconf libtool localbase:ldflags
 
 LDFLAGS+=	-lpfctl