diff --git a/product/ERP5Form/ListBox.py b/product/ERP5Form/ListBox.py
index 3701ff51bf466a6467d1cbd0a298e867b681141b..efdad0eb4d2f925935b16abb74cbc993929c90ba 100644
--- a/product/ERP5Form/ListBox.py
+++ b/product/ERP5Form/ListBox.py
@@ -2291,37 +2291,41 @@ class ListBoxHTMLRendererLine(ListBoxRendererLine):
           except AttributeError:
             pass
 
-      if editable_field is not None and sql in editable_column_id_set:
+      if editable_field is not None:
         # XXX what if the object does not have uid?
         key = '%s_%s' % (editable_field.getId(), self.getUid())
-        if has_error: # If there is any error on listbox, we should use what the user has typed
-          display_value = None
-        else:
-          validated_value_dict = request.get(field_id, None)
-          if validated_value_dict is None:
-            # If this is neither an error nor a validated listbox
-            # we should use the original value
-            display_value = original_value
+        if sql in editable_column_id_set:
+          if has_error: # If there is any error on listbox, we should use what the user has typed
+            display_value = None
           else:
-            # If the listbox has been validated (ie. as it is the
-            # case whenever a relation field displays a popup menu)
-            # we have to use the value entered by the user
-            display_value = None #
-        if error_dict.has_key(key): # If error on current field, we should display message
-          error_text = error_dict[key].error_text
-          error_text = cgi.escape(error_text)
-          if isinstance(error_text, str):
-            error_mapping = getattr(error_dict[key], 'error_mapping', None)
-            if error_mapping is not None:
-              error_text = u'%s' % Message(domain=ui_domain,
-                                           message=error_text,
-                                           mapping=error_mapping)
+            validated_value_dict = request.get(field_id, None)
+            if validated_value_dict is None:
+              # If this is neither an error nor a validated listbox
+              # we should use the original value
+              display_value = original_value
             else:
-              error_text = u'%s' % Message(domain=ui_domain,
-                                           message=error_text)
-          error_message = u'<br />' + error_text
+              # If the listbox has been validated (ie. as it is the
+              # case whenever a relation field displays a popup menu)
+              # we have to use the value entered by the user
+              display_value = None #
+          if error_dict.has_key(key): # If error on current field, we should display message
+            error_text = error_dict[key].error_text
+            error_text = cgi.escape(error_text)
+            if isinstance(error_text, str):
+              error_mapping = getattr(error_dict[key], 'error_mapping', None)
+              if error_mapping is not None:
+                error_text = u'%s' % Message(domain=ui_domain,
+                                             message=error_text,
+                                             mapping=error_mapping)
+              else:
+                error_text = u'%s' % Message(domain=ui_domain,
+                                             message=error_text)
+            error_message = u'<br />' + error_text
+          else:
+            error_message = u''
         else:
           error_message = u''
+          display_value = original_value
 
         # We need a way to pass the current line object (ie. brain) to the
         # field which is being displayed. Since the render_view API did not
diff --git a/product/ERP5Form/tests/testListBox.py b/product/ERP5Form/tests/testListBox.py
index 5b081d3fec5d15449fac60835ddc13ddf1ca6cb9..5c0c86ef390b8686aff87cb1ba2bd0d6da97b00d 100644
--- a/product/ERP5Form/tests/testListBox.py
+++ b/product/ERP5Form/tests/testListBox.py
@@ -296,6 +296,48 @@ return []
     # Make sure that word is there
     self.assertEqual(rendered_listbox.find(word) > 0, True)
 
+  def test_07_ExtraAndCssFieldsInIntegerField(self, quiet=0, run=run_all_test):
+    """
+      Check that css_class and extra fields are rendered when used in a
+      listbox_xxx line, using IntegerField for the check.
+    """
+    portal = self.getPortal()
+    portal.ListBoxZuite_reset()
+
+    # Reset listbox properties
+    listbox = portal.FooModule_viewFooList.listbox
+    listbox.ListBox_setPropertyList(
+      field_list_method = 'portal_catalog',
+      field_columns = ['extra | Check extra',],
+    )
+
+    form = portal.FooModule_viewFooList
+    form.manage_addField('listbox_extra', 'extra', 'IntegerField')
+    integerfield = form.listbox_extra
+
+    word = 'dummy_%s_to_check_for_in_listbox_test'
+    extra = word % "extra"
+    css_class = word % "css_class"
+    integerfield.values['extra'] = "alt='%s'" % extra
+    integerfield.values['css_class'] = css_class
+    integerfield.values['default'] = '42'
+
+    # Create an new empty object with a list property
+    foo_module = portal.foo_module
+    o = foo_module.newContent()
+
+    # Reindex
+    o.immediateReindexObject()
+
+    # Render the module in html
+    request = get_request()
+    request['here'] = portal.foo_module
+    rendered_listbox = listbox.render(REQUEST=request)
+
+    # Make sure that the extras and css_classes
+    self.assertTrue(extra in rendered_listbox)
+    self.assertTrue(css_class in rendered_listbox)
+
   def test_ObjectSupport(self):
     # make sure listbox supports rendering of simple objects
     # the only requirement is that objects have a `uid` attribute which is a