diff --git a/odex25_transactions/exp_transaction_documents/views/transcation_common_view.xml b/odex25_transactions/exp_transaction_documents/views/transcation_common_view.xml
index df06fdaa2..90f4518b3 100644
--- a/odex25_transactions/exp_transaction_documents/views/transcation_common_view.xml
+++ b/odex25_transactions/exp_transaction_documents/views/transcation_common_view.xml
@@ -133,7 +133,7 @@
                             <group>
                                 <group>
                                     <field name="preparation_id" domain="[('type', 'in', ['unit'])]"
-                                           attrs="{'required':False,'readonly':[('state','not in', ['draft'])]}"
+                                           attrs="{'required':False,'readonly':True}"
                                            options="{'no_create':True,'no_open':True}"/>
                                     <field name="reason" readonly="1"
                                            attrs="{'invisible': ['|',('state','=','draft'),('reason','=',False)]}"/>