diff --git a/application/models/fileupload.php b/application/models/fileupload.php
index 3a62367..d9d0d4f 100644
--- a/application/models/fileupload.php
+++ b/application/models/fileupload.php
@@ -34,7 +34,7 @@ class Fileupload extends CI_Model {
 	}
 
 	function add_view($id) {
-		$this->db->query("UPDATE uploads SET views = views + 1 WHERE id = $id");
+		$this->db->where('id',$id)->set('views','views + 1',false)->update('uploads');
 	}
 
 	function get_uploads($start = false, $count = false) {
diff --git a/application/models/viewer.php b/application/models/viewer.php
index c1c1c18..48fbb52 100644
--- a/application/models/viewer.php
+++ b/application/models/viewer.php
@@ -26,8 +26,8 @@ class Viewer extends CI_Model {
 
 	function clean_viewers($duration) {
 		$clean_time = time() - $duration;
-		
-		$this->db->query("DELETE FROM viewers WHERE timestamp < $clean_time");	
+
+		$this->db->where('timestamp <', $clean_time)->delete('viewers');
 	}
 }