--- pinentry-1.3.1/configure.ac
+++ pinentry-1.3.1/configure.ac
@@ -49,6 +49,8 @@
 AC_CONFIG_HEADERS([config.h])
 AC_CONFIG_SRCDIR(pinentry/pinentry.h)
 AM_INIT_AUTOMAKE([serial-tests dist-bzip2 no-dist-gzip])
+AM_GNU_GETTEXT([external])
+AM_GNU_GETTEXT_VERSION([0.22])
 
 AC_USE_SYSTEM_EXTENSIONS