diff --git a/laravel/database/eloquent/model.php b/laravel/database/eloquent/model.php
index cb555de4..23d25b02 100644
--- a/laravel/database/eloquent/model.php
+++ b/laravel/database/eloquent/model.php
@@ -517,7 +517,7 @@ abstract class Model {
 
 		foreach ($this->attributes as $key => $value)
 		{
-			if ( ! array_key_exists($key, $this->original) or $value != $this->original[$key])
+			if ( ! array_key_exists($key, $this->original) or $value !== $this->original[$key])
 			{
 				$dirty[$key] = $value;
 			}
@@ -795,4 +795,4 @@ abstract class Model {
 		return call_user_func_array(array(new $model, $method), $parameters);
 	}
 
-}
\ No newline at end of file
+}