diff --git a/classes/Model.class.php b/classes/Model.class.php
index 0a767b7..eabd935 100644
--- a/classes/Model.class.php
+++ b/classes/Model.class.php
@@ -96,11 +96,14 @@ abstract class Model
 
     function insert($data, $postfix = '')
     {
-        $sql = '';
+        $keys = array();
+        $values = array();
+
         foreach ($data as $key => $val) {
-            $sql .= $key.'="'.$this->escape($val).'", ';
+            $keys[] = $key;
+            $values[] = $this->escape($val);
         }
-        return $this->query('INSERT '.$this->table.' SET '.rtrim($sql, ', ').' '.$postfix);
+        return $this->query('INSERT INTO '.$this->table.' ('.implode(',', $keys).") VALUES('".implode("','", $values)."') ".$postfix);
     }
 
     function delete($id)