diff --git a/kwin/incinerate/onSettingsChanged.js b/kwin/incinerate/onSettingsChanged.js
index e81ac40..8437459 100644
--- a/kwin/incinerate/onSettingsChanged.js
+++ b/kwin/incinerate/onSettingsChanged.js
@@ -2,6 +2,7 @@
 // The code below is called whenever the user changes something in the configuration of
 // the effect.
 
+effect.setUniform(this.shader, 'uSeed', [Math.random(), Math.random()]);
 effect.setUniform(this.shader, 'uDuration', this.duration * 0.001);
 effect.setUniform(this.shader, 'uColor', this.readRGBConfig('Color'));
 effect.setUniform(this.shader, 'uScale', effect.readConfig('Scale', 1.0));