diff --git a/core/src/processing/opengl/PGL.java b/core/src/processing/opengl/PGL.java
index 4450f4b4c..ae314c0a6 100644
--- a/core/src/processing/opengl/PGL.java
+++ b/core/src/processing/opengl/PGL.java
@@ -385,7 +385,7 @@ public class PGL {
   protected static int request_depth_bits = 24;
   // Stencil buffer disabled for now:
   // http://forum.jogamp.org/Enabling-Stencil-buffer-breaks-rendering-OSX-R11-td4026857.html
-  protected static int request_stencil_bits = 0;
+  protected static int request_stencil_bits = 8;
   protected static int request_alpha_bits = 8;
 
   /** The AWT-OpenGL canvas */