--- a/src/pyams_media/interfaces/__init__.py	Thu Jan 11 17:12:00 2018 +0100
+++ b/src/pyams_media/interfaces/__init__.py	Thu Jan 11 17:14:45 2018 +0100
@@ -175,10 +175,11 @@
 class IMediaConversionUtility(Interface):
     """Media conversion client interface"""
 
-    zeo_connection = Choice(title=_("ZEO connection name"),
-                            description=_("Name of ZEO connection utility defining converter connection"),
-                            required=False,
-                            vocabulary="PyAMS ZEO connections")
+    zodb_name = Choice(title=_("ZODB connection name"),
+                       description=_("Name of ZODB connection defining converter connection"),
+                       required=False,
+                       default='',
+                       vocabulary="PyAMS ZODB connections")
 
     # Video conversions attributes
     video_formats = List(title=_("Video formats conversions"),