diff --git a/modules/purchase_trade/coffee.py b/modules/purchase_trade/coffee.py
index 878115c..f5d83da 100644
--- a/modules/purchase_trade/coffee.py
+++ b/modules/purchase_trade/coffee.py
@@ -49,7 +49,7 @@ def coffee_compatibility_active():
         and configurations[0].active_coffee_compatibility)
 
 
-class CoffeeSample(ModelSQL, ModelView, Workflow):
+class CoffeeSample(Workflow, ModelSQL, ModelView):
     'Coffee Sample'
     __name__ = 'coffee.sample'
 
@@ -414,7 +414,7 @@ class CoffeeCuppingCriterion(ModelSQL, ModelView):
         return Decimal('10.00')
 
 
-class CoffeeCuppingSession(ModelSQL, ModelView, Workflow):
+class CoffeeCuppingSession(Workflow, ModelSQL, ModelView):
     'Coffee Cupping Session'
     __name__ = 'coffee.cupping.session'