--- a/contrib/buildrpm	Tue Jun 23 14:12:17 2009 +0200
+++ b/contrib/buildrpm	Tue Jun 23 14:14:48 2009 +0200
@@ -51,7 +51,7 @@
 
 cat <<EOF >> $tmpspec
 %changelog
-* `date +'%a %b %d %Y'` `$HG showconfig ui.username` $version-$release
+* `LANG=en_US date +'%a %b %d %Y'` `$HG showconfig ui.username` $version-$release
 - Automatically built via $0
 
 EOF