diff -u vsftpd-2.2.2/debian/changelog vsftpd-2.2.2/debian/changelog
--- vsftpd-2.2.2/debian/changelog
+++ vsftpd-2.2.2/debian/changelog
@@ -1,3 +1,10 @@
+vsftpd (2.2.2-3ubuntu7.1) lucid-proposed; urgency=low
+
+  * debian/vsftpd.postinst: Check that the group exists first, then
+    the user, then try adding the user to the group, LP: #629234
+
+ -- Dustin Kirkland <kirkland@ubuntu.com>  Fri, 03 Sep 2010 08:24:33 -0600
+
 vsftpd (2.2.2-3ubuntu6) lucid; urgency=low
 
   * debian/vsftpd.upstart: Update upstart job. (LP: #563973) 
diff -u vsftpd-2.2.2/debian/vsftpd.postinst vsftpd-2.2.2/debian/vsftpd.postinst
--- vsftpd-2.2.2/debian/vsftpd.postinst
+++ vsftpd-2.2.2/debian/vsftpd.postinst
@@ -16,16 +16,19 @@
 
 		db_stop
 
+		if ! getent group | grep -q "^${_USERNAME}"
+		then
+			addgroup --system --quiet ${_USERNAME}
+		else
+			echo "vsftpd group (${_USERNAME}) already exists, doing nothing."
+		fi
 		if ! getent passwd | grep -q "^${_USERNAME}"
 		then
 			adduser --system --home ${_DIRECTORY} --no-create-home --quiet --gecos 'ftp daemon' --group ${_USERNAME}
-		elif ! getent group | grep -q "^${_USERNAME}"
-		then
-			addgroup --system --quiet ${_USERNAME}
-			gpasswd -a ${_USERNAME} ${_USERNAME}
 		else
 			echo "vsftpd user (${_USERNAME}) already exists, doing nothing."
 		fi
+		gpasswd -a ${_USERNAME} ${_USERNAME}
 
 		if [ ! -d "${_DIRECTORY}" ]
 		then