diff --git a/Sources/Adwaita/Model/Data Flow/Idle.swift b/Sources/Adwaita/Model/Data Flow/Idle.swift
index 7f41e3e..e922c23 100644
--- a/Sources/Adwaita/Model/Data Flow/Idle.swift	
+++ b/Sources/Adwaita/Model/Data Flow/Idle.swift	
@@ -31,10 +31,30 @@ public struct Idle {
     ///     - priority: The task's priority, default priority by default.
     ///     - closure: The closure to run. Return if you want to exit the loop.
     @discardableResult
+    @available(macOS, introduced: 13)
     public init(
         delay: Duration,
         priority: Priority = .defaultIdle,
         closure: @escaping () -> Bool
+    ) {
+        let secondsToMilliseconds: Int64 = 1_000
+        let attosecondsToMilliseconds: Int64 = 1_000_000_000_000_000
+        let milliseconds = delay.components.seconds * secondsToMilliseconds
+        + (delay.components.attoseconds / attosecondsToMilliseconds)
+        self.init(delay: milliseconds, priority: priority, closure: closure)
+    }
+
+    /// Repeat a function with a certain delay.
+    /// - Parameters:
+    ///     - delay: The delay between the repetitions in milliseconds.
+    ///     - priority: The task's priority, default priority by default.
+    ///     - closure: The closure to run. Return if you want to exit the loop.
+    @discardableResult
+    @available(macOS, deprecated: 13)
+    public init(
+        delay: Int64,
+        priority: Priority = .defaultIdle,
+        closure: @escaping () -> Bool
     ) {
         Self.handler.add(closure, priority: .init(priority.rawValue), delay: delay)
     }
@@ -60,15 +80,11 @@ public struct Idle {
 
         /// Add a function to be called whenever there are no higher priority events pending to the default main loop.
         /// - Parameter closure: The function.
-        func add(_ closure: @escaping () -> Bool, priority: Int32, delay: Duration? = nil) {
+        func add(_ closure: @escaping () -> Bool, priority: Int32, delay: Int64? = nil) {
             let context = UnsafeMutableRawPointer(Unmanaged.passRetained(ClosureContainer(closure: closure)).toOpaque())
-            let secondsToMilliseconds: Int64 = 1_000
-            let attosecondsToMilliseconds: Int64 = 1_000_000_000_000_000
             if let delay {
-                let milliseconds = delay.components.seconds * secondsToMilliseconds
-                + (delay.components.attoseconds / attosecondsToMilliseconds)
                 // swiftlint:disable prefer_self_in_static_references
-                g_timeout_add_full(priority, .init(milliseconds), { IdleHandler.run(pointer: $0) }, context, nil)
+                g_timeout_add_full(priority, .init(delay), { IdleHandler.run(pointer: $0) }, context, nil)
                 // swiftlint:enable prefer_self_in_static_references
             } else {
                 // swiftlint:disable prefer_self_in_static_references
diff --git a/Tests/IdleDemo.swift b/Tests/IdleDemo.swift
index 74fa02c..96eca41 100644
--- a/Tests/IdleDemo.swift
+++ b/Tests/IdleDemo.swift
@@ -14,7 +14,7 @@ struct IdleDemo: View {
     @State private var progress = 0.0
     @State private var activeProcess = false
     let max = 500.0
-    let delayFactor = 5.0
+    let delayFactor = 5_000.0
     let maxWidth = 300
 
     var view: Body {
@@ -26,7 +26,7 @@ struct IdleDemo: View {
             activeProcess = true
             progress = 0
             Task {
-                Idle(delay: .seconds(delayFactor / max)) {
+                Idle(delay: .init(delayFactor / max)) {
                     progress += 1
                     let done = progress == max
                     if done {