diff --git a/core/src/processing/opengl/PGL.java b/core/src/processing/opengl/PGL.java
index 6e350e398..c2b2bd5c4 100644
--- a/core/src/processing/opengl/PGL.java
+++ b/core/src/processing/opengl/PGL.java
@@ -125,6 +125,10 @@ public class PGL {
   /** Minimum array size to use arrayCopy method(). **/
   protected static final int MIN_ARRAYCOPY_SIZE = 2;
 
+  /** Factor used to displace the stroke vertices towards the camera in
+   * order to make sure the lines are always on top of the fill geometry **/
+  protected static final float STROKE_DISPLACEMENT = 0.999f;
+
   /** JOGL's windowing toolkit */
   // The two windowing toolkits available to use in JOGL:
   protected static final int AWT  = 0; // http://jogamp.org/wiki/index.php/Using_JOGL_in_AWT_SWT_and_Swing
diff --git a/core/src/processing/opengl/PGraphicsOpenGL.java b/core/src/processing/opengl/PGraphicsOpenGL.java
index 5bdab92de..08b04f175 100644
--- a/core/src/processing/opengl/PGraphicsOpenGL.java
+++ b/core/src/processing/opengl/PGraphicsOpenGL.java
@@ -7149,10 +7149,11 @@ public class PGraphicsOpenGL extends PGraphics {
       if (pgCurrent.getHint(DISABLE_OPTIMIZED_STROKE)) {
         setUniformValue(scaleLoc, 1.0f, 1.0f, 1.0f);
       } else {
+        float f = PGL.STROKE_DISPLACEMENT;
         if (orthoProjection()) {
-          setUniformValue(scaleLoc, 1.0f, 1.0f, 0.99f);
+          setUniformValue(scaleLoc, 1, 1, f);
         } else {
-          setUniformValue(scaleLoc, 0.99f, 0.99f, 0.99f);
+          setUniformValue(scaleLoc, f, f, f);
         }
       }