diff --git a/java/libraries/opengl/examples/Performance/DynamicParticlesRetained/DynamicParticlesRetained.pde b/java/libraries/opengl/examples/Performance/DynamicParticlesRetained/DynamicParticlesRetained.pde
index 0b7f81f2e..579e3c19a 100644
--- a/java/libraries/opengl/examples/Performance/DynamicParticlesRetained/DynamicParticlesRetained.pde
+++ b/java/libraries/opengl/examples/Performance/DynamicParticlesRetained/DynamicParticlesRetained.pde
@@ -62,8 +62,8 @@ void draw () {
       
       if (lifetimes[n] == 0) {
         // Re-spawn dead particle
-        PVector center = part.getCenter();
-        part.translate(mouseX - center.x, mouseY - center.y);
+        part.resetMatrix();
+        part.translate(mouseX, mouseY);
         float angle = random(0, TWO_PI);
         float s = random(0.5 * speed, 0.5 * speed);
         velocities[n].x = s * cos(angle);