diff --git a/Model/Datasource/MongodbSource.php b/Model/Datasource/MongodbSource.php
index 3ce32e1..c880fb3 100755
--- a/Model/Datasource/MongodbSource.php
+++ b/Model/Datasource/MongodbSource.php
@@ -889,20 +889,27 @@ public function updateAll(&$Model, $fields = null,  $conditions = null) {
 		$fields = $this->setMongoUpdateOperator($Model, $fields);
 
 		$this->_prepareLogQuery($Model); // just sets a timer
-        $table = $this->fullTableName($Model);
+        	$table = $this->fullTableName($Model);
+		if (!is_null($conditions)) {
+			foreach ($conditions as $key => &$cond ) {
+				if ($key === $Model->primaryKey) {
+					$this->_convertId($cond, true);
+				}
+			}
+		}
 		try{
 			if ($this->_driverVersion >= '1.3.0') {
 				// not use 'upsert'
 				$return = $this->_db
 					->selectCollection($table)
-					->update($conditions, $fields, array("multiple" => true, 'safe' => true));
+					->update($conditions, $fields, array("multi" => true, 'safe' => true));
 				if (isset($return['updatedExisting'])) {
 					$return = $return['updatedExisting'];
 				}
 			} else {
 				$return = $this->_db
 					->selectCollection($table)
-					->update($conditions, $fields, array("multiple" => true));
+					->update($conditions, $fields, array("multi" => true));
 			}
 		} catch (MongoException $e) {
 			$this->error = $e->getMessage();
@@ -911,7 +918,7 @@ public function updateAll(&$Model, $fields = null,  $conditions = null) {
 
 		if ($this->fullDebug) {
 			$this->logQuery("db.{$table}.update( :conditions, :fields, :params )",
-				array('conditions' => $conditions, 'fields' => $fields, 'params' => array("multiple" => true))
+				array('conditions' => $conditions, 'fields' => $fields, 'params' => array("multi" => true))
 			);
 		}
 		return $return;