diff --git a/model/Model.php b/model/Model.php
index e36c1b8..51fdb18 100644
--- a/model/Model.php
+++ b/model/Model.php
@@ -24,7 +24,7 @@ abstract class Model
 
     /**
      * Cache instance
-     * 
+     *
      * @var Cache
      */
     protected $cache;
@@ -32,15 +32,15 @@ abstract class Model
     protected $table;
 
     protected $connection = 'default';
-    
+
     protected $key        = 'id';
-    
+
 
     public function __construct()
     {
         $this->db = Db::connect($this->connection);
     }
-    
+
     /**
      * @return int
      */
@@ -113,6 +113,9 @@ abstract class Model
      */
     public function update($data, $where)
     {
+        if (is_int($where)) {
+            $where = $this->identify($this->key) . '=' . (int) $where;
+        }
         return $this->db->update($this->table(false), $data, $where);
     }
 
@@ -139,7 +142,7 @@ abstract class Model
         }
         return $autoindent ? $this->identify($this->table) : $this->table;
     }
-    
+
     /**
      * @return Cache
      */