diff --git a/Pod/Classes/SAConfettiView.swift b/Pod/Classes/SAConfettiView.swift
index 12c15ab..76166bf 100644
--- a/Pod/Classes/SAConfettiView.swift
+++ b/Pod/Classes/SAConfettiView.swift
@@ -104,8 +104,8 @@ public class SAConfettiView: UIView {
         confetti.color = color.CGColor
         confetti.velocity = CGFloat(350.0 * intensity)
         confetti.velocityRange = CGFloat(80.0 * intensity)
-        confetti.emissionLongitude = CGFloat(M_PI)
-        confetti.emissionRange = CGFloat(M_PI_4)
+        confetti.emissionLongitude = CGFloat(Double.pi)
+        confetti.emissionRange = CGFloat(Double.pi / 4)
         confetti.spin = CGFloat(3.5 * intensity)
         confetti.spinRange = CGFloat(4.0 * intensity)
         confetti.scaleRange = CGFloat(intensity)