diff -r eb6b575b4bf6 -r af5d52115698 src/pyams_content/component/gallery/zmi/paragraph.py
--- a/src/pyams_content/component/gallery/zmi/paragraph.py	Thu Oct 12 22:31:46 2017 +0200
+++ b/src/pyams_content/component/gallery/zmi/paragraph.py	Thu Oct 12 22:32:05 2017 +0200
@@ -122,11 +122,13 @@
         updated = changes.get(IBaseGallery, ())
         if 'title' in updated:
             return {'status': 'success',
-                    'event': 'PyAMS_content.changed_item',
-                    'event_options': {'object_type': 'paragraph',
-                                      'object_name': self.context.__name__,
-                                      'title': II18n(self.context).query_attribute('title', request=self.request),
-                                      'visible': self.context.visible}}
+                    'events': [{
+                        'event': 'PyAMS_content.changed_item',
+                        'options': {'handler': 'PyAMS_content.paragraphs.refreshParagraph',
+                                    'object_name': self.context.__name__,
+                                    'title': II18n(self.context).query_attribute('title', request=self.request),
+                                    'visible': self.context.visible}
+                    }]}
         else:
             return super(GalleryPropertiesAJAXEditForm, self).get_ajax_output(changes)