diff --git a/screening/source/java/ch/systemsx/cisd/openbis/plugin/screening/client/web/client/application/detailviewers/ChannelChooserPanel.java b/screening/source/java/ch/systemsx/cisd/openbis/plugin/screening/client/web/client/application/detailviewers/ChannelChooserPanel.java
index 9add394f6aa8869c471dc0711fa3ed2d50eb5756..795759ea0883733c9ac447e3080dff8dae73445c 100644
--- a/screening/source/java/ch/systemsx/cisd/openbis/plugin/screening/client/web/client/application/detailviewers/ChannelChooserPanel.java
+++ b/screening/source/java/ch/systemsx/cisd/openbis/plugin/screening/client/web/client/application/detailviewers/ChannelChooserPanel.java
@@ -74,7 +74,7 @@ public class ChannelChooserPanel extends LayoutContainer
     public ChannelChooserPanel(IDefaultChannelState defChannelState)
     {
         this(defChannelState, Collections.<String> emptyList(), Collections.<String> emptyList(),
-                false);
+                true);
     }
 
     public ChannelChooserPanel(IDefaultChannelState defChannelState, List<String> names,