--- a/src/pyams_content/features/search/portlet/interfaces.py	Wed Dec 19 10:40:58 2018 +0100
+++ b/src/pyams_content/features/search/portlet/interfaces.py	Wed Dec 19 11:02:20 2018 +0100
@@ -12,11 +12,12 @@
 
 __docformat__ = 'restructuredtext'
 
+from zope.schema import Bool
+
+from pyams_content import _
 from pyams_i18n.schema import I18nTextLineField
 from pyams_portal.interfaces import IPortletSettings
 
-from pyams_content import _
-
 
 class ISearchResultsPortletSettings(IPortletSettings):
     """Search results portlet settings"""
@@ -24,3 +25,10 @@
     title = I18nTextLineField(title=_("Title"),
                               description=_("Portlet main title"),
                               required=False)
+
+    force_canonical_url = Bool(title=_("Force canonical URL?"),
+                               description=_("By default, internal links use a \"relative\" URL, which tries to "
+                                             "display link target in the current context; by using a canonical URL, "
+                                             "you can display target in it's attachment context (if defined)"),
+                               required=False,
+                               default=False)