diff --git a/configuration.py b/configuration.py
index 5708df5..b4048b6 100644
--- a/configuration.py
+++ b/configuration.py
@@ -34,7 +34,7 @@ class Configuration(metaclass=PoolMeta):
     product_category = fields.Many2Many(
         string='Categories', origin='config', target='category',
         help='Categories used to determine tax and accounts for a product ' +
-        'on an invoice line.',
+        'on an invoice line.', filter=[('accounting', '=', True)],
         relation_name='document.incoming.confprodcat_rel')
 
     @classmethod
diff --git a/tests/test_module.py b/tests/test_module.py
index 96a4dde..25ae8ef 100644
--- a/tests/test_module.py
+++ b/tests/test_module.py
@@ -4,7 +4,7 @@
 # this repository contains the full copyright notices and license terms.
 
 
-from trytond.tests.test_tryton import ModuleTestCase
+from trytond.tests.test_tryton import ModuleTestCase, activate_module
 from .document import DocumentTestCase
 
 
@@ -14,6 +14,16 @@ class XmlIncomingTestCase(
     'Test document incoming xml converter module'
     module = 'document_incoming_invoice_xml'
 
+    @classmethod
+    def setUpClass(cls):
+        """ add modelues
+        """
+        super(XmlIncomingTestCase, cls).setUpClass()
+        try:
+            activate_module(['sale_point_invoice'])
+        except Exception as e1:
+            print('- skipped install of "sale_point_invoice"', str(e1))
+
 # end XmlIncomingTestCase
 
 
diff --git a/tryton.cfg b/tryton.cfg
index de312d6..f719ffa 100644
--- a/tryton.cfg
+++ b/tryton.cfg
@@ -3,6 +3,8 @@ version=6.0.2
 depends:
     document_incoming_invoice
     edocument_unece
+extras_depend:
+    sale_point_invoice
 xml:
     message.xml
     configuration.xml