diff --git a/src/main/java/org/gcube/application/geoportalcommon/shared/geoportal/view/ProjectView.java b/src/main/java/org/gcube/application/geoportalcommon/shared/geoportal/view/ProjectView.java
index 420af03..a1bb24e 100644
--- a/src/main/java/org/gcube/application/geoportalcommon/shared/geoportal/view/ProjectView.java
+++ b/src/main/java/org/gcube/application/geoportalcommon/shared/geoportal/view/ProjectView.java
@@ -16,8 +16,8 @@ public class ProjectView implements Serializable {
 	//The DocumentDV (contained in the ProjectDV) is listed in SectionView
 	private List<SectionView> listSections = new ArrayList<SectionView>();
 	
-	private long centroidLong;
-	private long centroidLat;
+	private Long centroidLong;
+	private Long centroidLat;
 	
 	public ProjectView() {