diff --git a/server/plugins-available/mysql_clientdb_plugin.inc.php b/server/plugins-available/mysql_clientdb_plugin.inc.php
index 35ade14c45a9c095a6c1629ed3ebfcaa1a09e3df..14052e5b7078747e415ff2568d7c3c5662c72340 100644
--- a/server/plugins-available/mysql_clientdb_plugin.inc.php
+++ b/server/plugins-available/mysql_clientdb_plugin.inc.php
@@ -504,7 +504,7 @@ class mysql_clientdb_plugin {
 							$app->log('User root not allowed for Client databases', LOGLEVEL_WARNING);
 						} else {
 							// Find out users to drop and users to revoke
-							$drop_or_revoke_user = $this->drop_or_revoke_user($data['old']['database_id'], $data['old']['database_user_id'], $old_host_list);
+							$drop_or_revoke_user = $this->drop_or_revoke_user($data['old']['database_id'], $data['old']['database_ro_user_id'], $old_host_list);
 							if($drop_or_revoke_user['drop_hosts'] != '') $this->process_host_list('DROP', $data['old']['database_name'], $old_db_ro_user['database_user'], $old_db_ro_user['database_password'], $drop_or_revoke_user['drop_hosts'], $link);
 							if($drop_or_revoke_user['revoke_hosts'] != '') $this->process_host_list('REVOKE', $data['old']['database_name'], $old_db_ro_user['database_user'], $old_db_ro_user['database_password'], $drop_or_revoke_user['revoke_hosts'], $link);
 						}
@@ -580,7 +580,7 @@ class mysql_clientdb_plugin {
 						$app->log('User root not allowed for Client databases', LOGLEVEL_WARNING);
 					} else {
 						// Find out users to drop and users to revoke
-						$drop_or_revoke_user = $this->drop_or_revoke_user($data['old']['database_id'], $data['old']['database_user_id'], $data['old']['remote_ips']);
+						$drop_or_revoke_user = $this->drop_or_revoke_user($data['old']['database_id'], $data['old']['database_ro_user_id'], $data['old']['remote_ips']);
 						if($drop_or_revoke_user['drop_hosts'] != '') $this->process_host_list('DROP', $data['old']['database_name'], $old_db_ro_user['database_user'], $old_db_ro_user['database_password'], $drop_or_revoke_user['drop_hosts'], $link);
 						if($drop_or_revoke_user['revoke_hosts'] != '') $this->process_host_list('REVOKE', $data['old']['database_name'], $old_db_ro_user['database_user'], $old_db_ro_user['database_password'], $drop_or_revoke_user['revoke_hosts'], $link);
 					}