--- /usr/portage/net-analyzer/arpoison/arpoison-0.6.ebuild	2008-12-05 01:16:47.000000000 +0100
+++ arpoison-0.6.ebuild	2011-07-19 15:58:10.000000000 +0200
@@ -24,7 +24,9 @@
 	cd ${S}
 	sed -i \
 		-e "s|\(-Wall\)|\1 ${CFLAGS}|" \
-		-e "s|gcc|$(tc-getCC)|" Makefile || die "sed Makefile failed"
+		-e "s|gcc|$(tc-getCC)|" \
+		-e "s|libnet-config|${ROOT}usr/bin/libnet-config|g" \
+		Makefile || die "sed Makefile failed"
 }
 
 src_install() {