diff --git a/openbis/source/java/ch/systemsx/cisd/openbis/generic/client/web/client/application/ui/grid/AbstractBrowserGrid.java b/openbis/source/java/ch/systemsx/cisd/openbis/generic/client/web/client/application/ui/grid/AbstractBrowserGrid.java
index f047ed80c1d2818ccd3805082502bffa694609ef..be6210981c0cdfcbdc7e85a1090602f8073e71fd 100644
--- a/openbis/source/java/ch/systemsx/cisd/openbis/generic/client/web/client/application/ui/grid/AbstractBrowserGrid.java
+++ b/openbis/source/java/ch/systemsx/cisd/openbis/generic/client/web/client/application/ui/grid/AbstractBrowserGrid.java
@@ -716,7 +716,7 @@ public abstract class AbstractBrowserGrid<T/* Entity */, M extends BaseEntityMod
         return grid.getStore().getCount();
     }
 
-    private final class ListEntitiesCallback extends AbstractAsyncCallback<ResultSet<T>>
+    public final class ListEntitiesCallback extends AbstractAsyncCallback<ResultSet<T>>
     {
         private final AsyncCallback<PagingLoadResult<M>> delegate;