--- ubiquity.org/d-i/source/localechooser/localechooser	2012-12-13 16:48:55.000000000 +0100
+++ ubiquity/d-i/source/localechooser/localechooser	2015-11-09 09:32:41.107060287 +0100
@@ -192,6 +192,10 @@
 		fi
 	fi
 
+	if [ "$LANG" = "ca_ES.UTF-8@valencia" ]; then
+		ps_language="ca_ES@valencia"
+	fi
+
 	db_set $tpl_languagelist $ps_language
 	log "Set $tpl_languagelist = '$ps_language'"
 	db_fset $tpl_languagelist seen $seenflag || true