--- a/src/pyams_content/features/menu/zmi/__init__.py	Mon Oct 15 12:20:09 2018 +0200
+++ b/src/pyams_content/features/menu/zmi/__init__.py	Mon Oct 15 17:22:15 2018 +0200
@@ -455,6 +455,9 @@
 
     edit_permission = None  # managed by IFormContextPermissionChecker adapter
 
+    def get_ajax_output(self, changes):
+        return LinkPropertiesAJAXEditForm.get_ajax_output(self, changes)
+
 
 #
 # External links
@@ -494,3 +497,6 @@
     """Menu external link properties edit form"""
 
     edit_permission = None  # managed by IFormContextPermissionChecker adapter
+
+    def get_ajax_output(self, changes):
+        return LinkPropertiesAJAXEditForm.get_ajax_output(self, changes)