--- a/src/pyams_portal/interfaces/__init__.py	Wed Jun 28 11:45:31 2017 +0200
+++ b/src/pyams_portal/interfaces/__init__.py	Wed Jun 28 16:44:18 2017 +0200
@@ -401,6 +401,11 @@
                               required=True,
                               default=False)
 
+    use_shared_template = Bool(title=_("Use shared template?"),
+                               description=_("If 'yes', you can select a shared template"),
+                               required=True,
+                               default=True)
+
     shared_template = Choice(title=_("Page template"),
                              description=_("Template used for this page"),
                              vocabulary='PyAMS portal templates',