diff --git a/addons/mrp/security/ir.model.access.csv b/addons/mrp/security/ir.model.access.csv
index d3ad1d96e2b..f8d4ed0f121 100644
--- a/addons/mrp/security/ir.model.access.csv
+++ b/addons/mrp/security/ir.model.access.csv
@@ -56,5 +56,6 @@ access_resource_calendar_manufacturinguser,resource.calendar manufacturing.user,
 access_mrp_unbuild,mrp.unbuild,model_mrp_unbuild,group_mrp_user,1,0,0,0
 access_mrp_unbuild_manager,mrp.unbuild manager,model_mrp_unbuild,group_mrp_manager,1,1,1,1
 access_mrp_message_mrp_user,mrp.message,model_mrp_message,group_mrp_user,1,0,0,0
+access_mrp_message_mrp_manager,mrp.message,model_mrp_message,group_mrp_manager,1,1,1,1
 access_stock_move_lots,stock.move.lots,model_stock_move_lots,group_mrp_user,1,1,1,0
 access_stock_move_lots_manager,stock.move.lots,model_stock_move_lots,group_mrp_manager,1,1,1,1