diff --git a/debian/changelog b/debian/changelog
index 712a268e..7504a581 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,8 +1,9 @@
 byobu (2.17) unreleased; urgency=low
 
   * UNRELEASED
+  * debian/postinst: can't assume a group named for the user, LP: #391722
 
- -- Dustin Kirkland <kirkland@ubuntu.com>  Tue, 23 Jun 2009 14:50:24 -0500
+ -- Dustin Kirkland <kirkland@ubuntu.com>  Wed, 24 Jun 2009 12:44:29 -0500
 
 byobu (2.16-0ubuntu1) karmic; urgency=low
 
diff --git a/debian/postinst b/debian/postinst
index a002dbe2..651bb14e 100644
--- a/debian/postinst
+++ b/debian/postinst
@@ -12,7 +12,8 @@ DIR="/var/run/screen"
 for d in $(ls "$DIR"); do
 	touch "$DIR/$d/$PKG.reload-required"
 	u=$(echo "$d" | sed "s:^S-::")
-	chown $u:$u "$DIR/$d/$PKG.reload-required"
+	chown $u "$DIR/$d/$PKG.reload-required"
+	chmod 700 "$DIR/$d/$PKG.reload-required"
 done
 
 #DEBHELPER#