diff --git a/src/classes/task/item.php b/src/classes/task/item.php
index c736af5b..9b7a2e6b 100644
--- a/src/classes/task/item.php
+++ b/src/classes/task/item.php
@@ -57,7 +57,7 @@ public function getData($taskId)
 	 */
 	public function update($taskId, $taskData)
 	{
-		$result = $this->client->call('task.item.update', $taskId, array($taskData));
+		$result = $this->client->call('task.item.update', array($taskId, $taskData));
 		return $result;
 	}