diff --git a/addons/project/security/ir.model.access.csv b/addons/project/security/ir.model.access.csv
index 8da415a7ae1..0435e51fd2e 100644
--- a/addons/project/security/ir.model.access.csv
+++ b/addons/project/security/ir.model.access.csv
@@ -19,7 +19,7 @@ access_account_analytic_line_project,account.analytic.line project,analytic.mode
 access_project_task_history,project.task.history project,project.model_project_task_history,project.group_project_user,1,1,1,0
 access_project_task_history_cumulative,project.task.history project,project.model_project_task_history_cumulative,project.group_project_manager,1,0,0,0
 access_project_task_history_cumulative,project.task.history project,project.model_project_task_history_cumulative,project.group_project_user,1,0,0,0
-access_resource_calendar,project.resource_calendar manager,resource.model_resource_calendar,project.group_project_manager,1,0,0,0
+access_resource_calendar,project.resource_calendar manager,resource.model_resource_calendar,project.group_project_user,1,0,0,0
 access_resource_calendar_leaves_user,resource.calendar.leaves user,resource.model_resource_calendar_leaves,project.group_project_user,1,1,1,1
 access_project_category,project.project_category,model_project_category,,1,0,0,0
 access_project_category_manager,project.project_category,model_project_category,project.group_project_manager,1,1,1,1