diff --git a/src/@deproj/add_plot_id.m b/src/@deproj/add_plot_id.m
index 259816f6047ceca76f5b092b4348f356bfcdd03e..847f02f44efb7174013f1aceec9313bd8e34d901 100644
--- a/src/@deproj/add_plot_id.m
+++ b/src/@deproj/add_plot_id.m
@@ -12,7 +12,8 @@ function hts = add_plot_id( obj, ax )
             center(1), center(2), center(3) + 0.5, ...
             num2str( o.id ), ...
             'HorizontalAlignment', 'center', ...
-            'VerticalAlignment', 'middle' );
+            'VerticalAlignment', 'middle', ...
+            'Clipping', 'on' );
     end
 end