diff --git a/2c1eswtjvb.js b/2c1eswtjvb.js
index 548e112..b6472dc 100644
--- a/2c1eswtjvb.js
+++ b/2c1eswtjvb.js
@@ -22,6 +22,9 @@ R3.CustomCode.prototype.render = function(delta) {
 	this.totalTime += delta;
 	
 	this.innerCircle.rotation.z += Math.cos(this.totalTime) * 0.2;
+	if (this.innerCircle.rotation.z >= Math.PI * 2) {
+		this.innerCircle.rotation -= Math.PI * 2;
+	}
 	this.innerCircle.updateInstance('rotation');