diff --git a/src/main/java/org/gcube/portlets/widgets/imagepreviewerwidget/client/ui/Carousel.java b/src/main/java/org/gcube/portlets/widgets/imagepreviewerwidget/client/ui/Carousel.java
index 624fbcc..af9c83b 100644
--- a/src/main/java/org/gcube/portlets/widgets/imagepreviewerwidget/client/ui/Carousel.java
+++ b/src/main/java/org/gcube/portlets/widgets/imagepreviewerwidget/client/ui/Carousel.java
@@ -11,6 +11,8 @@ import com.github.gwtbootstrap.client.ui.Modal;
 import com.github.gwtbootstrap.client.ui.constants.IconSize;
 import com.github.gwtbootstrap.client.ui.constants.IconType;
 import com.google.gwt.core.client.GWT;
+import com.google.gwt.dom.client.Element;
+import com.google.gwt.dom.client.NodeList;
 import com.google.gwt.dom.client.Style.Cursor;
 import com.google.gwt.event.dom.client.ClickEvent;
 import com.google.gwt.event.dom.client.ClickHandler;
@@ -288,6 +290,10 @@ public class Carousel extends Composite{
 					listOfAttachmentsToShow.get(currentPreviewPosition).getTitleToShow();
 		mainModalPanel.setTitle(shownTitle);
 		
+		// to set the tooltip we have to lookup the title in the header (it's a <h3> element)
+		NodeList<Element> list = mainModalPanel.getElement().getElementsByTagName("h3");
+		list.getItem(0).setTitle(listOfAttachmentsToShow.get(currentPreviewPosition).getTitleToShow());
+		
 	}
 
 }