diff --git a/gtk2_ardour/automation_line.cc b/gtk2_ardour/automation_line.cc
index 2c2bb7effe..1a8e3b4574 100644
--- a/gtk2_ardour/automation_line.cc
+++ b/gtk2_ardour/automation_line.cc
@@ -245,11 +245,11 @@ AutomationLine::control_point_box_size ()
 	uiscale = std::max<float> (1.f, powf (uiscale, 1.71));
 
 	if (_height > TimeAxisView::preset_height (HeightLarger)) {
-		return rint (8.0 * uiscale);
+		return rint (10.0 * uiscale);
 	} else if (_height > (guint32) TimeAxisView::preset_height (HeightNormal)) {
-		return rint (6.0 * uiscale);
+		return rint (8.0 * uiscale);
 	}
-	return rint (12.0 * uiscale);
+	return rint (6.0 * uiscale);
 }
 
 void