diff --git a/src/main/java/org/gcube/portlets/widgets/ckandatapublisherwidget/client/openlayerwidget/GeoJsonAreaSelectionDialog.java b/src/main/java/org/gcube/portlets/widgets/ckandatapublisherwidget/client/openlayerwidget/GeoJsonAreaSelectionDialog.java
index b1b486a..7cc480f 100644
--- a/src/main/java/org/gcube/portlets/widgets/ckandatapublisherwidget/client/openlayerwidget/GeoJsonAreaSelectionDialog.java
+++ b/src/main/java/org/gcube/portlets/widgets/ckandatapublisherwidget/client/openlayerwidget/GeoJsonAreaSelectionDialog.java
@@ -7,6 +7,7 @@ import org.gcube.portlets.widgets.openlayerbasicwidgets.client.event.SelectAreaD
 import org.gcube.portlets.widgets.openlayerbasicwidgets.client.event.SelectAreaDialogEvent.SelectAreaDialogEventHandler;
 import org.gcube.portlets.widgets.openlayerbasicwidgets.client.event.SelectAreaDialogEventType;
 import org.gcube.portlets.widgets.openlayerbasicwidgets.client.widgets.AreaSelectionDialog;
+import org.gcube.portlets.widgets.openlayerbasicwidgets.client.widgets.GeometryType;
 
 import com.google.gwt.core.client.JavaScriptObject;
 import com.google.gwt.core.client.JsonUtils;
@@ -31,7 +32,7 @@ public class GeoJsonAreaSelectionDialog extends AreaSelectionDialog{
 	 * Instantiates a new geo json area selection dialog.
 	 */
 	public GeoJsonAreaSelectionDialog() {
-		super();
+		super(GeometryType.Polygon);
 
 		//THE HANDLER
 		SelectAreaDialogEventHandler handler = new SelectAreaDialogEventHandler() {