diff --git a/Changelog b/Changelog
index 5d8327c..57e0be1 100644
--- a/Changelog
+++ b/Changelog
@@ -1,3 +1,9 @@
+1.2.4 (2017 06 28)
+
+	* Unset LC_COLLATE as well: it affects sorting so "metche report" output
+	  for packages changes can be erroneously large when run with locales
+	  different from the ones used by cron.
+
 1.2.3 (2017 06 27)
 
 	* Update URLs: Redmine → Gitlab.
diff --git a/Makefile b/Makefile
index bbbeb76..0c2846e 100644
--- a/Makefile
+++ b/Makefile
@@ -10,4 +10,13 @@
 distclean: clean
 	rm -f metche.8
 
+VERSION=$(shell head -n1 Changelog | awk '{print $$1}')
+TARBALL=../metche-$(VERSION).tar.gz
+release: Changelog
+	! [ -f $(TARBALL) ]
+	git archive \
+	   --prefix=metche-$(VERSION)/ \
+	   --output=$(TARBALL) \
+	   master
+
 .PHONY: all doc clean distclean
diff --git a/metche b/metche
index e3836c4..68a8104 100755
--- a/metche
+++ b/metche
@@ -193,6 +193,7 @@
 
 PATH="/bin:/usr/bin"
 unset LC_ALL
+unset LC_COLLATE
 unset LC_CTYPE
 unset LANGUAGE
 unset LANG