.isPlaying() always returns true

.isPlaying() always returns true, even after the SoundFile has ended. In the following code, the else is never executed. Processing 3.5,3 Processing Sound Library 2.2.0

import processing.sound.*;
SoundFile meow;

void setup() {   
  meow = new SoundFile(this, "hamburger.wav");
  meow.play();
}      

void draw() {    
  if(meow.isPlaying() == true)
  {
    println("playing");
  } else  
  {
    println("not playing");
  }
}