diff --git a/modules/sale_point/sale.py b/modules/sale_point/sale.py
index c729a586cd..7c711041ad 100644
--- a/modules/sale_point/sale.py
+++ b/modules/sale_point/sale.py
@@ -877,11 +877,13 @@ class POSCashSession(Workflow, ModelSQL, ModelView):
         return self.point.company.currency if self.point else None
 
     @classmethod
+    @ModelView.button
     @Workflow.transition('open')
     def open(cls, sessions):
         pass
 
     @classmethod
+    @ModelView.button
     @Workflow.transition('closed')
     def close(cls, sessions):
         pool = Pool()
@@ -909,6 +911,7 @@ class POSCashSession(Workflow, ModelSQL, ModelView):
         super().delete(sessions)
 
     @classmethod
+    @ModelView.button
     @Workflow.transition('posted')
     def post(cls, sessions):
         pool = Pool()