diff --git a/screening/source/java/ch/systemsx/cisd/openbis/plugin/screening/client/web/client/application/detailviewers/WellSearchGrid.java b/screening/source/java/ch/systemsx/cisd/openbis/plugin/screening/client/web/client/application/detailviewers/WellSearchGrid.java
index 0e4153aa1a8e08b93e5805fc6ca3aa02d44254df..999b0f0cf0e78584620a444b54bfcc966559ccbe 100644
--- a/screening/source/java/ch/systemsx/cisd/openbis/plugin/screening/client/web/client/application/detailviewers/WellSearchGrid.java
+++ b/screening/source/java/ch/systemsx/cisd/openbis/plugin/screening/client/web/client/application/detailviewers/WellSearchGrid.java
@@ -626,6 +626,7 @@ public class WellSearchGrid extends TypedTableGrid<WellContent>
                                 };
                     ChannelWidgetWithListener widgetWithListener =
                             new ChannelWidgetWithListener(viewerFactory);
+                    widgetWithListener.selectionChanged(channelChooser.getSelectedValues());
 
                     ImageDatasetParameters imageParameters = images.getImageParameters();
                     channelChooser.setSelectionChangedListener(widgetWithListener);