diff --git a/interface/web/sites/database_edit.php b/interface/web/sites/database_edit.php
index 39499aa6025050c91aada849a920c67219904606..0f2f5f227d19de4b6f9dab14fcf2c1c1a5a7c8d8 100644
--- a/interface/web/sites/database_edit.php
+++ b/interface/web/sites/database_edit.php
@@ -421,7 +421,7 @@ class page_action extends tform_actions {
 
 			//* The Database user shall be owned by the same group then the website
 			$sys_groupid = $app->functions->intval($web['sys_groupid']);
-			$backup_interval = $web['backup_interval'];
+			$backup_interval = $app->db->quote($web['backup_interval']);
 			$backup_copies = $app->functions->intval($web['backup_copies']);
 
 			$sql = "UPDATE web_database SET sys_groupid = '$sys_groupid', backup_interval = '$backup_interval', backup_copies = '$backup_copies' WHERE database_id = ".$this->id;
@@ -437,7 +437,7 @@ class page_action extends tform_actions {
 
 			//* The Database user shall be owned by the same group then the website
 			$sys_groupid = $app->functions->intval($web['sys_groupid']);
-			$backup_interval = $web['backup_interval'];
+			$backup_interval = $app->db->quote($web['backup_interval']);
 			$backup_copies = $app->functions->intval($web['backup_copies']);
 
 			$sql = "UPDATE web_database SET sys_groupid = '$sys_groupid', backup_interval = '$backup_interval', backup_copies = '$backup_copies' WHERE database_id = ".$this->id;
diff --git a/interface/web/sites/web_domain_edit.php b/interface/web/sites/web_domain_edit.php
index 630c9bcbf0707598dddce2d2521004119bf90065..c2588c8f958ebb77948af7339428527ebc4684fc 100644
--- a/interface/web/sites/web_domain_edit.php
+++ b/interface/web/sites/web_domain_edit.php
@@ -1012,7 +1012,7 @@ class page_action extends tform_actions {
 		//* Change database backup options when web backup options have been changed
 		if(isset($this->dataRecord['backup_interval']) && ($this->dataRecord['backup_interval'] != $this->oldDataRecord['backup_interval'] || $this->dataRecord['backup_copies'] != $this->oldDataRecord['backup_copies'])) {
 			//* Update all databases
-			$backup_interval = $app->functions->intval($this->dataRecord['backup_interval']);
+			$backup_interval = $app->db->quote($this->dataRecord['backup_interval']);
 			$backup_copies = $app->functions->intval($this->dataRecord['backup_copies']);
 			$records = $app->db->queryAllRecords("SELECT database_id FROM web_database WHERE parent_domain_id = ".$this->id);
 			foreach($records as $rec) {