diff --git a/trytond/trytond/wizard/wizard.py b/trytond/trytond/wizard/wizard.py
index 7cf830e1a5..43ff98e5fb 100644
--- a/trytond/trytond/wizard/wizard.py
+++ b/trytond/trytond/wizard/wizard.py
@@ -352,7 +352,11 @@ class Wizard(URLMixin, PoolBase):
             wizard.model.log(
                 wizard.records, 'wizard',
                 f'{cls.__name__}:{state_name}')
-        wizard._save()
+        if transaction.readonly:
+            with transaction.new_transaction():
+                wizard._save()
+        else:
+            wizard._save()
         return result
 
     def _execute(self, state_name):