diff --git a/srcpkgs/gnome-nettool/template b/srcpkgs/gnome-nettool/template
index f578e59d00e..020b791c901 100644
--- a/srcpkgs/gnome-nettool/template
+++ b/srcpkgs/gnome-nettool/template
@@ -1,7 +1,7 @@
 # Template file for 'gnome-nettool'
 pkgname=gnome-nettool
 version=42.0
-revision=1
+revision=2
 build_style=meson
 hostmakedepends="pkg-config gettext itstool glib-devel"
 makedepends="bind-utils desktop-file-utils gsettings-desktop-schemas-devel
@@ -14,3 +14,4 @@ license="GPL-2.0-or-later"
 homepage="http://www.gnome.org"
 distfiles="${GNOME_SITE}/${pkgname}/${version%.*}/${pkgname}-${version}.tar.xz"
 checksum=a54f29eef2038aee69551c8b19ca4f758e5eb9e2090a4bc6b5633dff0188751f
+CFLAGS="-D_GNU_SOURCE" # bzero