diff --git a/native/app/Source/Constants.swift b/native/app/Source/Constants.swift
index 74c1e57..7063535 100644
--- a/native/app/Source/Constants.swift
+++ b/native/app/Source/Constants.swift
@@ -38,10 +38,10 @@ struct Constants {
   static let FULL_VOLUME_STEPS: [Double] = Array(stride(from: 0.0, through: 2.0, by: FULL_VOLUME_STEP))
   static let QUARTER_VOLUME_STEPS: [Double] = Array(stride(from: 0.0, through: 2.0, by: QUARTER_VOLUME_STEP))
   
-  static let TRANSITION_DURATION: Int = 500
+  static let TRANSITION_DURATION: UInt = 500
   static let TRANSITION_FPS: Double = 30
   static let TRANSITION_FRAME_DURATION: Double = 1000 / TRANSITION_FPS
-  static let TRANSITION_FRAME_COUNT = Int(round(TRANSITION_FPS * (Double(TRANSITION_DURATION) / 1000)))
+  static let TRANSITION_FRAME_COUNT = UInt(round(TRANSITION_FPS * (Double(TRANSITION_DURATION) / 1000)))
   static let SUPPORTED_TRANSPORT_TYPES = [
     TransportType.airPlay,
     TransportType.bluetooth,
diff --git a/native/app/Source/Helpers/Time.swift b/native/app/Source/Helpers/Time.swift
index de270c6..b37869a 100644
--- a/native/app/Source/Helpers/Time.swift
+++ b/native/app/Source/Helpers/Time.swift
@@ -10,9 +10,9 @@ import Foundation
 
 
 class Time {
-    static var stamp: Int {
+    static var stamp: UInt {
         get {
-            return Int(NSDate().timeIntervalSince1970 * 1000)
+            return UInt(NSDate().timeIntervalSince1970 * 1000)
         }
     }
 }
diff --git a/native/app/Source/Helpers/Utilities.swift b/native/app/Source/Helpers/Utilities.swift
index aa978f7..54b6965 100644
--- a/native/app/Source/Helpers/Utilities.swift
+++ b/native/app/Source/Helpers/Utilities.swift
@@ -17,7 +17,7 @@ class Utilities {
     return Bundle.main.infoDictionary![key] as! String
   }
   
-  static func delay (_ milliseconds: Int, completion: @escaping () -> ()) {
+  static func delay (_ milliseconds: UInt, completion: @escaping () -> ()) {
     DispatchQueue.main.asyncAfter(deadline: .now() + Double(milliseconds) / 1000) { completion() }
   }
 }