diff --git a/src/main/java/org/gcube/portlets/widgets/workspaceuploader/client/uploader/dragdrop/MultipleDNDUpload.java b/src/main/java/org/gcube/portlets/widgets/workspaceuploader/client/uploader/dragdrop/MultipleDNDUpload.java
index a624e1e..b6e2148 100644
--- a/src/main/java/org/gcube/portlets/widgets/workspaceuploader/client/uploader/dragdrop/MultipleDNDUpload.java
+++ b/src/main/java/org/gcube/portlets/widgets/workspaceuploader/client/uploader/dragdrop/MultipleDNDUpload.java
@@ -67,6 +67,14 @@ public class MultipleDNDUpload extends LayoutPanel implements HasWorskpaceUpload
 	private String dropTargetInnerID = DROP_TARGET_INNER_CLASS +"-"+ randomID;
 	private String dropTargetUniqueChildID = DROP_TARGET_UNIQUE_CHILD_ID +"-"+ randomID;
 
+	public MultipleDNDUpload() {
+		this.getElement().setId(dropTargetID);
+		String dnd = "<div id='"+this.dropTargetOuterID+"' class='"+DROP_TARGET_OUTER_CLASS+"'><div id='"+this.dropTargetInnerID+"' class='"+DROP_TARGET_INNER_CLASS+"'></div></div>";
+		GWT.log(dnd);
+		HTML html = new HTML(dnd);
+		this.add(html);
+		scopeGroupId = GCubeClientContext.getCurrentContextId();
+	}
 	/**
 	 * Instantiates a new multiple dnd upload.
 	 *