--- a/src/pyams_skin/configuration.py	Wed Sep 26 16:55:49 2018 +0200
+++ b/src/pyams_skin/configuration.py	Wed Sep 26 16:56:08 2018 +0200
@@ -12,30 +12,25 @@
 
 __docformat__ = 'restructuredtext'
 
-
-# import standard library
-
-# import interfaces
-from pyams_skin.interfaces import IContextTitlePrefix
-from pyams_skin.interfaces.configuration import IConfiguration, SKIN_CONFIGURATION_KEY, \
-    IBackOfficeConfiguration, SKIN_BACK_CONFIGURATION_KEY
-from pyams_utils.interfaces.site import IConfigurationManager
-from pyams_utils.interfaces.tales import ITALESExtension
-from zope.traversing.interfaces import ITraversable
-
-# import packages
 from persistent import Persistent
-from pyams_file.property import FileProperty
-from pyams_file.views.file import FileView
-from pyams_utils.adapter import ContextRequestViewAdapter, ContextAdapter, adapter_config, get_annotation_adapter
-from pyams_utils.factory import factory_config
-from pyams_utils.registry import get_global_registry
-from pyams_utils.traversing import get_parent
 from pyramid.httpexceptions import HTTPNotFound
 from pyramid.view import view_config
 from zope.container.contained import Contained
-from zope.interface import implementer, Interface
+from zope.interface import Interface, implementer
 from zope.schema.fieldproperty import FieldProperty
+from zope.traversing.interfaces import ITraversable
+
+from pyams_file.property import FileProperty
+from pyams_file.views.file import FileView
+from pyams_skin.interfaces import IContextTitlePrefix
+from pyams_skin.interfaces.configuration import IBackOfficeConfiguration, IConfiguration, SKIN_BACK_CONFIGURATION_KEY, \
+    SKIN_CONFIGURATION_KEY
+from pyams_utils.adapter import ContextAdapter, ContextRequestViewAdapter, adapter_config, get_annotation_adapter
+from pyams_utils.factory import factory_config
+from pyams_utils.interfaces.site import IConfigurationManager
+from pyams_utils.interfaces.tales import ITALESExtension
+from pyams_utils.registry import get_global_registry
+from pyams_utils.traversing import get_parent
 
 
 #
@@ -115,6 +110,7 @@
     login_footer = FieldProperty(IBackOfficeConfiguration['login_footer'])
     icon = FileProperty(IBackOfficeConfiguration['icon'])
     logo = FileProperty(IBackOfficeConfiguration['logo'])
+    login_logo = FileProperty(IBackOfficeConfiguration['login_logo'])
     display_content_icon = FieldProperty(IBackOfficeConfiguration['display_content_icon'])
     display_shared_tool_title = FieldProperty(IBackOfficeConfiguration['display_shared_tool_title'])
 

--- a/src/pyams_skin/interfaces/configuration.py	Wed Sep 26 16:55:49 2018 +0200
+++ b/src/pyams_skin/interfaces/configuration.py	Wed Sep 26 16:56:08 2018 +0200
@@ -12,17 +12,14 @@
 
 __docformat__ = 'restructuredtext'
 
-
-# import standard library
+from zope.location.interfaces import IContained
+from zope.schema import Bool, Text, TextLine
 
-# import interfaces
-from zope.location.interfaces import IContained
-from zope.schema import TextLine, Text, Bool
+from pyams_file.schema import ImageField
 
-# import packages
-from pyams_file.schema import ImageField
 from pyams_skin import _
 
+
 SKIN_CONFIGURATION_KEY = 'pyams_skin.configuration'
 
 
@@ -94,6 +91,10 @@
                       description=_("Image containing application logo"),
                       required=False)
 
+    login_logo = ImageField(title=_("Login logo"),
+                            description=_("Image containing application logo for login form"),
+                            required=False)
+
     display_content_icon = Bool(title=_("Display title icon?"),
                                 description=_("Should icons be displayed into content's title area ?"),
                                 required=True,