diff -ur xaos-3.5.orig/src/i18n/cs.po xaos-3.5/src/i18n/cs.po
--- xaos-3.5.orig/src/i18n/cs.po	2014-06-08 15:19:23.313803520 +0200
+++ xaos-3.5/src/i18n/cs.po	2014-06-08 15:20:35.071009379 +0200
@@ -10,6 +10,7 @@
 "PO-Revision-Date: 2002-08-17 21:44+0200\n"
 "Last-Translator: MadSoft <madsoft@centrum.cz>\n"
 "Language-Team: Czech\n"
+"Language: cs\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=ISO-8859-2\n"
 "Content-Transfer-Encoding: 8-bit\n"
diff -ur xaos-3.5.orig/src/i18n/de.po xaos-3.5/src/i18n/de.po
--- xaos-3.5.orig/src/i18n/de.po	2014-06-08 15:19:23.314803662 +0200
+++ xaos-3.5/src/i18n/de.po	2014-06-08 15:20:59.684508120 +0200
@@ -11,6 +11,7 @@
 "PO-Revision-Date: 2008-04-27 21:48+0200\n"
 "Last-Translator: \n"
 "Language-Team:  <de@li.org>\n"
+"Language: de\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=ISO-8859-1\n"
 "Content-Transfer-Encoding: 8bit\n"
diff -ur xaos-3.5.orig/src/i18n/es.po xaos-3.5/src/i18n/es.po
--- xaos-3.5.orig/src/i18n/es.po	2014-06-08 15:19:23.314803662 +0200
+++ xaos-3.5/src/i18n/es.po	2014-06-08 15:21:10.917104552 +0200
@@ -10,6 +10,7 @@
 "PO-Revision-Date: 2002-10-04 15:22+0200\n"
 "Last-Translator: César Pérez <oroz@users.sourceforge.net>\n"
 "Language-Team: Spanish <es@li.org>\n"
+"Language: es\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=ISO-8859-1\n"
 "Content-Transfer-Encoding: 8-bit\n"
diff -ur xaos-3.5.orig/src/i18n/fr.po xaos-3.5/src/i18n/fr.po
--- xaos-3.5.orig/src/i18n/fr.po	2014-06-08 15:19:23.315803804 +0200
+++ xaos-3.5/src/i18n/fr.po	2014-06-08 15:21:24.653056586 +0200
@@ -10,6 +10,7 @@
 "PO-Revision-Date: 2006-02-05 17:35+0200\n"
 "Last-Translator: Philippe Wautelet <traduc _at_ fractalzone _dot_ be>\n"
 "Language-Team: French\n"
+"Language: fr\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=ISO-8859-1\n"
 "Content-Transfer-Encoding: 8-bit\n"
diff -ur xaos-3.5.orig/src/i18n/hu.po xaos-3.5/src/i18n/hu.po
--- xaos-3.5.orig/src/i18n/hu.po	2014-06-08 15:19:23.315803804 +0200
+++ xaos-3.5/src/i18n/hu.po	2014-06-08 15:21:49.950651185 +0200
@@ -10,6 +10,7 @@
 "PO-Revision-Date: 2002-08-17 21:44+0200\n"
 "Last-Translator: Zoltan Kovacs <kovzol@math.u-szeged.hu>\n"
 "Language-Team: Hungarian\n"
+"Language: hu\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=ISO-8859-2\n"
 "Content-Transfer-Encoding: 8-bit\n"
diff -ur xaos-3.5.orig/src/i18n/it.po xaos-3.5/src/i18n/it.po
--- xaos-3.5.orig/src/i18n/it.po	2014-06-08 15:19:23.316803947 +0200
+++ xaos-3.5/src/i18n/it.po	2014-06-08 15:22:00.324125022 +0200
@@ -11,6 +11,7 @@
 "PO-Revision-Date: 2008-04-08 10:10+0000\n"
 "Last-Translator: Sergio Zanchetta <Unknown>\n"
 "Language-Team: Italian <it@li.org>\n"
+"Language: it\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=ISO-8859-1\n"
 "Content-Transfer-Encoding: 8bit\n"
diff -ur xaos-3.5.orig/src/i18n/pt.po xaos-3.5/src/i18n/pt.po
--- xaos-3.5.orig/src/i18n/pt.po	2014-06-08 15:19:23.316803947 +0200
+++ xaos-3.5/src/i18n/pt.po	2014-06-08 15:22:12.961920461 +0200
@@ -9,6 +9,7 @@
 "PO-Revision-Date: 2009-06-01 14:07-0300\n"
 "Last-Translator: Lucio de Araujo <lucio.matema@gmail.com>\n"
 "Language-Team: Portuguese <zeliagarcia@seed.pr.gov.br>\n"
+"Language: pt\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=ISO-8859-1\n"
 "Content-Transfer-Encoding: 8bit\n"
diff -ur xaos-3.5.orig/src/i18n/ro.po xaos-3.5/src/i18n/ro.po
--- xaos-3.5.orig/src/i18n/ro.po	2014-06-08 15:19:23.317804089 +0200
+++ xaos-3.5/src/i18n/ro.po	2014-06-08 15:22:21.969200049 +0200
@@ -10,6 +10,7 @@
 "PO-Revision-Date: 2008-04-28 11:21+0100\n"
 "Last-Translator: Zoltan Kovacs <kovzol@matek.hu>\n"
 "Language-Team: The XaoS Development Team <xaos-devel@lists.sf.net>\n"
+"Language: ro\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=utf-8\n"
 "Content-Transfer-Encoding: 8bit\n"