--- a/src/pyams_content/shared/common/zmi/security.py	Thu May 03 11:05:45 2018 +0200
+++ b/src/pyams_content/shared/common/zmi/security.py	Thu May 03 11:29:56 2018 +0200
@@ -209,8 +209,12 @@
             manager_restrictions.set_restrictions(self.principal_id, restrictions)
         return restrictions
 
-    def update(self):
-        super(SharedToolManagerRestrictionsEditForm, self).update()
+    def updateWidgets(self, prefix=None):
+        super(SharedToolManagerRestrictionsEditForm, self).updateWidgets(prefix)
+        self.widgets['principal_id'].value = self.principal
+        self.widgets['principal_id'].mode = HIDDEN_MODE
+
+    def updateGroups(self):
         names = getFieldNamesInOrder(self.interface)
         self.add_group(NamedWidgetsGroup(self, 'restricted_access', self.widgets, names,
                                          legend=_("Apply contents restrictions"),
@@ -221,11 +225,7 @@
                                          switch=True,
                                          checkbox_switch=True,
                                          checkbox_field=self.interface['restricted_contents']))
-
-    def updateWidgets(self, prefix=None):
-        super(SharedToolManagerRestrictionsEditForm, self).updateWidgets(prefix)
-        self.widgets['principal_id'].value = self.principal
-        self.widgets['principal_id'].mode = HIDDEN_MODE
+        super(SharedToolManagerRestrictionsEditForm, self).updateGroups()
 
 
 @view_config(name='manager-restrictions.json', context=IBaseSharedTool, request_type=IPyAMSLayer,