diff --git a/product/ERP5/tests/testBusinessTemplate.py b/product/ERP5/tests/testBusinessTemplate.py
index 091468ad63ceb36d9f428b45fc29c1017fd6f035..a57da035ee0b976c52e772a6cacf54feccdba41b 100644
--- a/product/ERP5/tests/testBusinessTemplate.py
+++ b/product/ERP5/tests/testBusinessTemplate.py
@@ -79,7 +79,7 @@ class TestBusinessTemplate(ERP5TypeTestCase, LogInterceptor):
   quiet = 1
 
   def getBusinessTemplateList(self):
-    return ('erp5_csv_style', 'erp5_pdf_style')
+    return ('erp5_csv_style', 'erp5_pdf_style', 'erp5_barcode')
 
   def getTitle(self):
     return "Business Template"
@@ -6752,6 +6752,20 @@ class TestBusinessTemplate(ERP5TypeTestCase, LogInterceptor):
     self.assertEquals(self.portal.exported_path,
         self.portal.portal_catalog.getResultValue(uid=uid))
 
+  def test_bt5_must_be_exported(self):
+    """ Just to show an error. """
+    portal = self.getPortalObject()
+    template_tool = portal.portal_templates
+    bt5obj = portal.portal_catalog.getResultValue(portal_type='Business Template',
+                                           title='erp5_barcode')
+    template_copy = template_tool.manage_copyObjects(ids=(bt5obj.getId(),))
+    new_id_list = template_tool.manage_pasteObjects(template_copy)
+    new_bt5_id = new_id_list[0]['new_id']
+    new_bt5_obj = getattr(template_tool, new_bt5_id, None)
+    new_bt5_obj.edit()
+    new_bt5_obj.build()
+    template_tool.export(new_bt5_obj)
+
 
 def test_suite():
   suite = unittest.TestSuite()