--- a/src/pyams_file/interfaces/__init__.py	Mon Jul 02 17:13:55 2018 +0200
+++ b/src/pyams_file/interfaces/__init__.py	Thu Jul 05 15:02:24 2018 +0200
@@ -255,7 +255,7 @@
         """
 
 
-class IThumbnail(Interface):
+class IThumbnails(Interface):
     """Image thumbnail interface
 
     Displays are images thumbnails generated 'on the fly' and stored into image