diff --git a/appIcons.js b/appIcons.js
index 096a5a1..56c12f0 100644
--- a/appIcons.js
+++ b/appIcons.js
@@ -643,7 +643,7 @@ export const TaskbarAppIcon = GObject.registerClass({
                 let desaturationValue = 1.0
                 let sat_effect = new Clutter.DesaturateEffect({factor : desaturationValue});
                 sat_effect.set_factor(desaturationValue);
-                this.add_effect_with_name('desaturate', sat_effect);
+                this._iconContainer.add_effect_with_name('desaturate', sat_effect);
             }
 
         }