diff --git a/install_postfixadmin.sh b/install_postfixadmin.sh
index 65eb521..36a8ca7 100755
--- a/install_postfixadmin.sh
+++ b/install_postfixadmin.sh
@@ -2496,7 +2496,7 @@ fi
 ## -    $CONF['show_undeliverable']='NO';
 ## -    $CONF['show_popimap']='NO';
 ## -
-## -    $CONF['used_quotas'] = 'YES';
+## -    $CONF['used_quotas'] = 'NO';
 ## -    $CONF['new_quota_table'] = 'YES';
 ## -
 echononl "\tAdjust Postfix Admin's Configuration - Part 5"
@@ -2528,7 +2528,7 @@ perl -i -n -p -e "s#^(\s*\\\$CONF\['show_undeliverable'\]\s*=.*)#//!\1\n\\\$CONF
   $pfa_conf_file >> $log_file 2>&1 || _failed=true 
 perl -i -n -p -e "s#^(\s*\\\$CONF\['show_popimap'\]\s*=.*)#//!\1\n\\\$CONF['show_popimap'] = 'NO';#" \
   $pfa_conf_file >> $log_file 2>&1 || _failed=true 
-perl -i -n -p -e "s#^(\s*\\\$CONF\['used_quotas'\]\s*=.*)#//!\1\n\\\$CONF['used_quotas'] = 'YES';#" \
+perl -i -n -p -e "s#^(\s*\\\$CONF\['used_quotas'\]\s*=.*)#//!\1\n\\\$CONF['used_quotas'] = 'NO';#" \
   $pfa_conf_file >> $log_file 2>&1 || _failed=true 
 perl -i -n -p -e "s#^(\s*\\\$CONF\['new_quota_table'\]\s*=.*)#//!\1\n\\\$CONF['new_quota_table'] = 'YES';#" \
   $pfa_conf_file >> $log_file 2>&1 || _failed=true