diff --git a/htdocs/projet/class/api_tasks.class.php b/htdocs/projet/class/api_tasks.class.php
index e3d6af2de53..9366422002d 100644
--- a/htdocs/projet/class/api_tasks.class.php
+++ b/htdocs/projet/class/api_tasks.class.php
@@ -454,7 +454,7 @@ class Tasks extends DolibarrApi
 			throw new RestException(404, 'Task not found');
 		}
 
-		if (!DolibarrApi::_checkAccessToResource('tasks', $this->project->id)) {
+		if (!DolibarrApi::_checkAccessToResource('task', $this->task->id)) {
 			throw new RestException(401, 'Access not allowed for login '.DolibarrApiAccess::$user->login);
 		}
 		foreach ($request_data as $field => $value) {
@@ -488,7 +488,7 @@ class Tasks extends DolibarrApi
 			throw new RestException(404, 'Task not found');
 		}
 
-		if (!DolibarrApi::_checkAccessToResource('tasks', $this->project->id)) {
+		if (!DolibarrApi::_checkAccessToResource('task', $this->task->id)) {
 			throw new RestException(401, 'Access not allowed for login '.DolibarrApiAccess::$user->login);
 		}