diff --git a/CHANGELOG b/CHANGELOG
index 1e18bef2bf..9f03745c79 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,4 @@
+* Use action_id to find report to use
 * Allow custom StateView without Model
 * Remove Pool.object_name_list
 * Add translated descriptor for Dict field
diff --git a/trytond/ir/action.py b/trytond/ir/action.py
index 027de8e7ed..d5c9477a89 100644
--- a/trytond/ir/action.py
+++ b/trytond/ir/action.py
@@ -477,10 +477,6 @@ class ActionReport(ActionMixin, ModelSQL, ModelView):
     @classmethod
     def __setup__(cls):
         super(ActionReport, cls).__setup__()
-        cls._sql_constraints += [
-            ('report_name_module_uniq', 'UNIQUE(report_name, module)',
-                'The internal name must be unique by module!'),
-        ]
         cls._error_messages.update({
                 'invalid_email': 'Invalid email definition on report "%s".',
                 })
@@ -544,6 +540,9 @@ class ActionReport(ActionMixin, ModelSQL, ModelView):
                                 where=action_report.id == report_id))
             table.drop_column('report_content_data')
 
+        # Migration from 3.4 remove report_name_module_uniq constraint
+        table.drop_constraint('report_name_module_uniq')
+
     @staticmethod
     def default_type():
         return 'ir.action.report'
diff --git a/trytond/report/report.py b/trytond/report/report.py
index dfbe2f9098..0d6db695c2 100644
--- a/trytond/report/report.py
+++ b/trytond/report/report.py
@@ -130,13 +130,18 @@ class Report(URLMixin, PoolBase):
         '''
         pool = Pool()
         ActionReport = pool.get('ir.action.report')
-        action_reports = ActionReport.search([
-                ('report_name', '=', cls.__name__)
-                ])
-        if not action_reports:
-            raise Exception('Error', 'Report (%s) not find!' % cls.__name__)
         cls.check_access()
-        action_report = action_reports[0]
+
+        action_id = data.get('action_id')
+        if action_id is None:
+            action_reports = ActionReport.search([
+                    ('report_name', '=', cls.__name__)
+                    ])
+            assert action_reports, '%s not found' % cls
+            action_report = action_reports[0]
+        else:
+            action_report = ActionReport(action_id)
+
         records = None
         model = action_report.model or data.get('model')
         if model: