diff --git a/configure.ac b/configure.ac
index 2182b31..6292827 100644
--- a/configure.ac
+++ b/configure.ac
@@ -23,12 +23,14 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
+AC_CONFIG_MACRO_DIRS([m4])
+
 AC_PREREQ(2.60)
 AC_INIT(sympa, 6.2.76, devel@sympa.community)
 AM_INIT_AUTOMAKE([foreign -Wall -Werror 1.9 tar-pax])
 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
-AM_PO_SUBDIRS
-GETTEXT_MACRO_VERSION=0.19
+AM_GNU_GETTEXT([external])
+AM_GNU_GETTEXT_VERSION([0.25])
 
 AC_PREFIX_DEFAULT(/home/sympa)