Index: gtk2_ardour/time_axis_view.cc
===================================================================
--- gtk2_ardour/time_axis_view.cc	(revision 6706)
+++ gtk2_ardour/time_axis_view.cc	(working copy)
@@ -1290,6 +1290,9 @@
 	win->draw_line (light, 1, 9, w - 1, 9);
 	win->draw_point (light, w - 1, 8);
 
+	/* use vertical resize mouse cursor */
+	win->set_cursor(Gdk::Cursor(Gdk::SB_V_DOUBLE_ARROW));
+
 	return true;
 }