diff --git a/App/App_macOS.swift b/App/App_macOS.swift
index b6efba77..2f95822c 100644
--- a/App/App_macOS.swift
+++ b/App/App_macOS.swift
@@ -131,6 +131,7 @@ struct Kiwix: App {
         .windowStyle(.titleBar)
         .commandsRemoved()
         .defaultSize(width: 320, height: 400)
+        .restorationBehaviourDisabled()
 
         Window("", id: "donation-thank-you") {
             PaymentResultPopUp(state: .thankYou)
@@ -139,6 +140,7 @@ struct Kiwix: App {
         .windowResizability(.contentMinSize)
         .commandsRemoved()
         .defaultSize(width: 320, height: 198)
+        .restorationBehaviourDisabled()
 
         Window("", id: "donation-error") {
             PaymentResultPopUp(state: .error)
@@ -147,6 +149,7 @@ struct Kiwix: App {
         .windowResizability(.contentMinSize)
         .commandsRemoved()
         .defaultSize(width: 320, height: 198)
+        .restorationBehaviourDisabled()
     }
 
     private func closeDonation() {
@@ -175,6 +178,16 @@ struct Kiwix: App {
     }
 }
 
+private extension Scene {
+    nonisolated func restorationBehaviourDisabled() -> some Scene {
+        if #available(macOS 15.0, *) {
+            return restorationBehavior(.disabled)
+        } else {
+            return self
+        }
+    }
+}
+
 struct RootView: View {
     @Environment(\.openWindow) var openWindow
     @Environment(\.controlActiveState) var controlActiveState