diff --git a/install/lib/installer_base.lib.php b/install/lib/installer_base.lib.php
index 7621df30d0b5d1cf39d079dc9c702b55b5f4d998..93461f0a43b9127d8926c1da34b285791dc69371 100644
--- a/install/lib/installer_base.lib.php
+++ b/install/lib/installer_base.lib.php
@@ -658,6 +658,22 @@ class installer_base {
 				if(!$this->dbmaster->query($query, $value['db'] . '.mail_backup', $value['user'], $host)) {
 					$this->warning('Unable to set rights of user in master database: '.$value['db']."\n Query: ".$query."\n Error: ".$this->dbmaster->errorMessage);
 				}
+				
+				$query = "GRANT SELECT, UPDATE ON ?? TO ?@?";
+				if ($verbose){
+					echo $query ."\n";
+				}
+				if(!$this->dbmaster->query($query, $value['db'] . '.dns_soa', $value['user'], $host)) {
+					$this->warning('Unable to set rights of user in master database: '.$value['db']."\n Query: ".$query."\n Error: ".$this->dbmaster->errorMessage);
+				}
+
+				$query = "GRANT SELECT, UPDATE ON ?? TO ?@?";
+				if ($verbose){
+					echo $query ."\n";
+				}
+				if(!$this->dbmaster->query($query, $value['db'] . '.dns_rr', $value['user'], $host)) {
+					$this->warning('Unable to set rights of user in master database: '.$value['db']."\n Query: ".$query."\n Error: ".$this->dbmaster->errorMessage);
+				}
 			}
 
 		}