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diff --git a/assets/icons/macos/icon.icns b/assets/icons/macos/icon.icns
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diff --git a/assets/icons/windows/128x128.png b/assets/icons/windows/128x128.png
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diff --git a/assets/icons/windows/48x48.png b/assets/icons/windows/48x48.png
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index 0000000..6715aec
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diff --git a/assets/icons/windows/64x64.png b/assets/icons/windows/64x64.png
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index 0000000..a915058
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diff --git a/assets/icons/windows/icon.ico b/assets/icons/windows/icon.ico
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index 0000000..e5a0135
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diff --git a/scripts/package-electron.mjs b/scripts/package-electron.mjs
index 9f64803..aa0b591 100644
--- a/scripts/package-electron.mjs
+++ b/scripts/package-electron.mjs
@@ -11,8 +11,8 @@ const outputDirectoryName = 'win-unpacked';
 const scriptDirectory = dirname(fileURLToPath(import.meta.url));
 const repositoryRoot = resolve(scriptDirectory, '..');
 const assetDirectory = join(repositoryRoot, 'assets');
-const windowsIconPath = join(assetDirectory, 'icons', 'app-icon.ico');
-const windowIconPath = join(assetDirectory, 'icons', 'app-icon.png');
+const sourceIconPath = join(assetDirectory, 'icons', 'icon.png');
+const windowsIconPath = join(assetDirectory, 'icons', 'windows', 'icon.ico');
 const electronDistributionDirectory = join(repositoryRoot, 'node_modules', 'electron', 'dist');
 const rendererBuildDirectory = join(repositoryRoot, 'dist');
 const electronBuildDirectory = join(repositoryRoot, 'dist-electron');
@@ -94,7 +94,7 @@ async function main() {
 
   await Promise.all([
     ensurePathExists(assetDirectory, 'Application assets'),
-    ensurePathExists(windowIconPath, 'Window icon'),
+    ensurePathExists(sourceIconPath, 'Source application icon'),
     ensurePathExists(windowsIconPath, 'Windows application icon'),
     ensurePathExists(electronDistributionDirectory, 'Electron runtime'),
     ensurePathExists(rendererBuildDirectory, 'Renderer build output'),
diff --git a/src/main/windows/appIcon.ts b/src/main/windows/appIcon.ts
index 0a3de91..25e6c04 100644
--- a/src/main/windows/appIcon.ts
+++ b/src/main/windows/appIcon.ts
@@ -11,7 +11,14 @@ function getPathModule(platform: NodeJS.Platform) {
 
 export function resolveWindowIconPath(context: WindowIconPathContext): string {
   const pathModule = getPathModule(context.platform);
-  const iconFileName = context.platform === 'win32' ? 'app-icon.ico' : 'app-icon.png';
-
-  return pathModule.join(context.appPath, 'assets', 'icons', iconFileName);
+  switch (context.platform) {
+    case 'win32':
+      return pathModule.join(context.appPath, 'assets', 'icons', 'windows', 'icon.ico');
+    case 'darwin':
+      return pathModule.join(context.appPath, 'assets', 'icons', 'macos', 'icon.icns');
+    case 'linux':
+      return pathModule.join(context.appPath, 'assets', 'icons', 'linux', 'icons', '512x512.png');
+    default:
+      return pathModule.join(context.appPath, 'assets', 'icons', 'icon.png');
+  }
 }
diff --git a/tests/main/appIcon.test.ts b/tests/main/appIcon.test.ts
index aa19d6d..0dffa93 100644
--- a/tests/main/appIcon.test.ts
+++ b/tests/main/appIcon.test.ts
@@ -3,21 +3,30 @@ import { describe, expect, test } from 'bun:test';
 import { resolveWindowIconPath } from '@main/windows/appIcon';
 
 describe('resolveWindowIconPath', () => {
-  test('uses the Windows ico asset from the packaged app assets directory', () => {
+  test('uses the Windows ico asset from the platform-specific icon directory', () => {
     expect(
       resolveWindowIconPath({
         appPath: 'C:\\workspace\\personal\\repositories\\kopaya',
         platform: 'win32',
       }),
-    ).toBe('C:\\workspace\\personal\\repositories\\kopaya\\assets\\icons\\app-icon.ico');
+    ).toBe('C:\\workspace\\personal\\repositories\\kopaya\\assets\\icons\\windows\\icon.ico');
   });
 
-  test('uses the PNG asset on non-Windows platforms', () => {
+  test('uses the macOS icns asset on Darwin', () => {
     expect(
       resolveWindowIconPath({
         appPath: '/Applications/Kopaya.app/Contents/Resources/app',
         platform: 'darwin',
       }),
-    ).toBe('/Applications/Kopaya.app/Contents/Resources/app/assets/icons/app-icon.png');
+    ).toBe('/Applications/Kopaya.app/Contents/Resources/app/assets/icons/macos/icon.icns');
+  });
+
+  test('uses the Linux 512px PNG asset on Linux', () => {
+    expect(
+      resolveWindowIconPath({
+        appPath: '/opt/kopaya/resources/app',
+        platform: 'linux',
+      }),
+    ).toBe('/opt/kopaya/resources/app/assets/icons/linux/icons/512x512.png');
   });
 });