diff --git a/templates/misc/configfiles/ubuntu_precise/libnss/etc_libnss-mysql.cfg b/templates/misc/configfiles/ubuntu_precise/libnss/etc_libnss-mysql.cfg
index 3092e67d..22d27921 100644
--- a/templates/misc/configfiles/ubuntu_precise/libnss/etc_libnss-mysql.cfg
+++ b/templates/misc/configfiles/ubuntu_precise/libnss/etc_libnss-mysql.cfg
@@ -27,12 +27,12 @@ getgrgid    SELECT groupname,'x',gid \
             LIMIT 1
 getgrent    SELECT groupname,'x',gid \
             FROM ftp_groups
-memsbygid   SELECT username \
-            FROM ftp_users \
-            WHERE gid='%1$u' UNION SELECT '<WEBSERVER_GROUP>'
-gidsbymem   SELECT gid \
-            FROM ftp_users \
-            WHERE username='%1$s' UNION SELECT gid FROM ftp_users WHERE '<WEBSERVER_GROUP>'='%1$s'
+memsbygid   SELECT members \
+            FROM ftp_groups \
+            WHERE gid='%1$u'
+gidsbymem   SELECT CONCAT_WS(',', gid) as gid \
+            FROM ftp_groups \
+            WHERE FIND_IN_SET('%1$s', members)
 
 host		<SQL_HOST>
 database	<SQL_DB>