diff --git a/swift/exhale.xcodeproj/project.pbxproj b/swift/exhale.xcodeproj/project.pbxproj
index 3567d85..9c0bf76 100644
--- a/swift/exhale.xcodeproj/project.pbxproj
+++ b/swift/exhale.xcodeproj/project.pbxproj
@@ -18,6 +18,7 @@
 		020C89FA29C2B59A00720231 /* AppDelegate.swift in Sources */ = {isa = PBXBuildFile; fileRef = 020C89F929C2B59A00720231 /* AppDelegate.swift */; };
 		020C8A0229C3307100720231 /* SettingsView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 020C8A0129C3307100720231 /* SettingsView.swift */; };
 		020C8A0429C3323F00720231 /* SettingsModel.swift in Sources */ = {isa = PBXBuildFile; fileRef = 020C8A0329C3323F00720231 /* SettingsModel.swift */; };
+		023F8D3C2CBC110900809D87 /* EmptyClosingView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 023F8D3B2CBC110800809D87 /* EmptyClosingView.swift */; };
 		02775BB629C6311E00584F4B /* CustomMenu.swift in Sources */ = {isa = PBXBuildFile; fileRef = 02775BB529C6311E00584F4B /* CustomMenu.swift */; };
 /* End PBXBuildFile section */
 
@@ -54,6 +55,7 @@
 		020C89F929C2B59A00720231 /* AppDelegate.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AppDelegate.swift; sourceTree = "<group>"; };
 		020C8A0129C3307100720231 /* SettingsView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SettingsView.swift; sourceTree = "<group>"; };
 		020C8A0329C3323F00720231 /* SettingsModel.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SettingsModel.swift; sourceTree = "<group>"; };
+		023F8D3B2CBC110800809D87 /* EmptyClosingView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = EmptyClosingView.swift; sourceTree = "<group>"; };
 		02775BB529C6311E00584F4B /* CustomMenu.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = CustomMenu.swift; sourceTree = "<group>"; };
 /* End PBXFileReference section */
 
@@ -107,6 +109,7 @@
 			children = (
 				020C89CC29C2B05500720231 /* exhaleApp.swift */,
 				020C89CE29C2B05500720231 /* ContentView.swift */,
+				023F8D3B2CBC110800809D87 /* EmptyClosingView.swift */,
 				020C89D029C2B05700720231 /* Assets.xcassets */,
 				020C89D529C2B05700720231 /* exhale.entitlements */,
 				020C89D229C2B05700720231 /* Preview Content */,
@@ -276,6 +279,7 @@
 			files = (
 				020C89FA29C2B59A00720231 /* AppDelegate.swift in Sources */,
 				020C8A0429C3323F00720231 /* SettingsModel.swift in Sources */,
+				023F8D3C2CBC110900809D87 /* EmptyClosingView.swift in Sources */,
 				020C8A0229C3307100720231 /* SettingsView.swift in Sources */,
 				02775BB629C6311E00584F4B /* CustomMenu.swift in Sources */,
 				020C89CF29C2B05500720231 /* ContentView.swift in Sources */,
@@ -446,7 +450,7 @@
 				CODE_SIGN_ENTITLEMENTS = exhale/exhale.entitlements;
 				CODE_SIGN_STYLE = Automatic;
 				COMBINE_HIDPI_IMAGES = YES;
-				CURRENT_PROJECT_VERSION = 156;
+				CURRENT_PROJECT_VERSION = 157;
 				DEAD_CODE_STRIPPING = YES;
 				DEVELOPMENT_ASSET_PATHS = "\"exhale/Preview Content\"";
 				DEVELOPMENT_TEAM = VZCHHV7VNW;
@@ -460,7 +464,7 @@
 					"@executable_path/../Frameworks",
 				);
 				MACOSX_DEPLOYMENT_TARGET = 11.0;
-				MARKETING_VERSION = 1.5.6;
+				MARKETING_VERSION = 1.5.7;
 				PRODUCT_BUNDLE_IDENTIFIER = peterklingelhofer.exhale;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SUPPORTED_PLATFORMS = macosx;
@@ -479,7 +483,7 @@
 				CODE_SIGN_ENTITLEMENTS = exhale/exhale.entitlements;
 				CODE_SIGN_STYLE = Automatic;
 				COMBINE_HIDPI_IMAGES = YES;
-				CURRENT_PROJECT_VERSION = 156;
+				CURRENT_PROJECT_VERSION = 157;
 				DEAD_CODE_STRIPPING = YES;
 				DEVELOPMENT_ASSET_PATHS = "\"exhale/Preview Content\"";
 				DEVELOPMENT_TEAM = VZCHHV7VNW;
@@ -493,7 +497,7 @@
 					"@executable_path/../Frameworks",
 				);
 				MACOSX_DEPLOYMENT_TARGET = 11.0;
-				MARKETING_VERSION = 1.5.6;
+				MARKETING_VERSION = 1.5.7;
 				PRODUCT_BUNDLE_IDENTIFIER = peterklingelhofer.exhale;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SUPPORTED_PLATFORMS = macosx;
diff --git a/swift/exhale/AppDelegate.swift b/swift/exhale/AppDelegate.swift
index cc1b691..7130716 100644
--- a/swift/exhale/AppDelegate.swift
+++ b/swift/exhale/AppDelegate.swift
@@ -58,6 +58,11 @@ class AppDelegate: NSObject, NSApplicationDelegate, NSWindowDelegate {
 
     @objc func stopAnimating(_ sender: Any?) {
         settingsModel.stop()
+
+        for window in windows {
+            window.close()
+        }
+        windows.removeAll()
     }
 
     @objc func pauseAnimating(_ sender: Any?) {
diff --git a/swift/exhale/EmptyClosingView.swift b/swift/exhale/EmptyClosingView.swift
new file mode 100644
index 0000000..c6a089f
--- /dev/null
+++ b/swift/exhale/EmptyClosingView.swift
@@ -0,0 +1,22 @@
+// EmptyClosingView.swift
+import SwiftUI
+
+struct EmptyClosingView: NSViewRepresentable {
+    func makeNSView(context: Context) -> NSView {
+        let view = SelfClosingView()
+        return view
+    }
+
+    func updateNSView(_ nsView: NSView, context: Context) {}
+
+    class SelfClosingView: NSView {
+        override func viewDidMoveToWindow() {
+            super.viewDidMoveToWindow()
+            DispatchQueue.main.async {
+                if let window = self.window {
+                    window.close()
+                }
+            }
+        }
+    }
+}
diff --git a/swift/exhale/exhaleApp.swift b/swift/exhale/exhaleApp.swift
index c6644d8..4e02f6d 100644
--- a/swift/exhale/exhaleApp.swift
+++ b/swift/exhale/exhaleApp.swift
@@ -11,7 +11,9 @@ struct exhaleApp: App {
     }
     
     var body: some Scene {
-        Settings {}
+        WindowGroup {
+            EmptyClosingView()
+        }
         .commands {
             CommandGroup(replacing: .appSettings) {
                 Button("Preferences...") {