diff -r f22d6ae1d8f5 -r fafbf6bb246e src/pyams_content/component/gallery/interfaces/__init__.py
--- a/src/pyams_content/component/gallery/interfaces/__init__.py	Fri Mar 02 13:55:13 2018 +0100
+++ b/src/pyams_content/component/gallery/interfaces/__init__.py	Fri Mar 02 14:06:39 2018 +0100
@@ -102,7 +102,7 @@
     renderer = Choice(title=_("Gallery template"),
                       description=_("Presentation template used for this gallery"),
                       vocabulary=GALLERY_RENDERERS,
-                      default='hidden')
+                      default='default')
 
     def append(self, value, notify=True):
         """Append new file to gallery