diff --git a/language/eu_ES/common.lang.php b/language/eu_ES/common.lang.php
index e18944a9a..41a609409 100644
--- a/language/eu_ES/common.lang.php
+++ b/language/eu_ES/common.lang.php
@@ -432,4 +432,5 @@ $lang['chronology_monthly_list'] = 'Hileroko zerrenda';
 $lang['chronology_weekly_list'] = 'Asteroko zerrenda';
 $lang['cloud'] = 'hodeia';
 $lang['comment date'] = 'Iruzkinaren data';
-$lang['created after %s (%s)'] = '%s-aren (%s-en) ondoren sortuta';
\ No newline at end of file
+$lang['created after %s (%s)'] = '%s-aren (%s-en) ondoren sortuta';
+$lang['Your authentication key is no longer valid.'] = 'Zure autentifikazio gakoa ez da luzaroago baliozkoa';
\ No newline at end of file