1diff --git a/configure.ac.in b/configure.ac.in
2index 7932c16..1778d38 100644
3--- a/configure.ac.in
4+++ b/configure.ac.in
5@@ -24,6 +24,7 @@ AC_COPYRIGHT([Copyright (C) 2014
6 AC_INIT([xfce4-i3-workspaces-plugin], [plugin_version], [https://github.com/denesb/xfce4-i3-workspaces-plugin/issues], [xfce4-i3-workspaces-plugin])
7 AC_PREREQ([2.50])
8 AC_REVISION([xfce4_panel_version_build])
9+AC_CONFIG_MACRO_DIRS([m4])
10
11 dnl ***************************
12 dnl *** Initialize automake ***
13@@ -31,6 +32,8 @@ dnl ***************************
14 AM_INIT_AUTOMAKE([1.8 no-dist-gzip dist-bzip2 tar-ustar])
15 AM_CONFIG_HEADER([config.h])
16 AM_MAINTAINER_MODE()
17+AM_GNU_GETTEXT_VERSION([0.21])
18+AM_GNU_GETTEXT([external])
19 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
20
21 dnl **************************