diff --git a/Model.php b/Model.php
index 4b3429b..87ae8d0 100755
--- a/Model.php
+++ b/Model.php
@@ -697,6 +697,6 @@ public function getJSONDocument()
 	 */
 	public function getBSONDocument()
 	{
-		return MongoDB\BSON\fromPHP($this->getRawDocument());
+		return \MongoDB\BSON\fromPHP($this->getRawDocument());
 	}
 }
\ No newline at end of file