diff --git a/main.js b/main.js
index 04da06b..dcc8d32 100644
--- a/main.js
+++ b/main.js
@@ -37,9 +37,9 @@ let form = new Form(panelWidth, panelHeight - panelPaddingTop);
 let randomBox = new SwitchBox(true, 40, 20);
 let amountBox = new NumericBox(100, 30);
 amountBox.setValue(100);
-let circlesBox = new SwitchBox(this, 40, 20);
-let rectanglesBox = new SwitchBox(this, 40, 20);
-let trianglesBox = new SwitchBox(this, 40, 20);
+let circlesBox = new SwitchBox(true, 40, 20);
+let rectanglesBox = new SwitchBox(true, 40, 20);
+let trianglesBox = new SwitchBox(true, 40, 20);
 
 form.addLine("random", "Random amount of shapes",randomBox);
 form.addLine("amount", "Amount of shapes", amountBox);