diff --git a/cmake/backbone b/cmake/backbone
index ab63ce2..902b996 160000
--- a/cmake/backbone
+++ b/cmake/backbone
@@ -1 +1 @@
-Subproject commit ab63ce22a9e2d149d8843f49bd33f8116a862d39
+Subproject commit 902b996551e600ceb53eb895fbce6a37b5247693
diff --git a/src/Cursor.vala b/src/Cursor.vala
index 7a526d9..13ba379 100644
--- a/src/Cursor.vala
+++ b/src/Cursor.vala
@@ -83,7 +83,7 @@ namespace CairoChart {
 		 */
 		public Cursors copy () {
 			var c = new Cursors (chart);
-			c.list = list.copy();
+			//c.list = list.copy();
 			c.active_cursor = active_cursor;
 			c.is_cursor_active = is_cursor_active;
 			c.style = style;