diff --git a/src/main/tray.ts b/src/main/tray.ts
index 494b437..270dc43 100644
--- a/src/main/tray.ts
+++ b/src/main/tray.ts
@@ -1,9 +1,10 @@
 import electron from 'electron';
+import type { Tray as TrayType } from 'electron';
 const { app, Tray, Menu, nativeImage } = electron;
 
-let tray: Tray | null = null;
+let tray: TrayType | null = null;
 
-export function createTray(showInbox: () => void, showCapture: () => void): Tray {
+export function createTray(showInbox: () => void, showCapture: () => void): TrayType {
   const icon = nativeImage.createEmpty();
   tray = new Tray(icon);
   tray.setToolTip('Inkling');
diff --git a/src/main/windows/inboxWindow.ts b/src/main/windows/inboxWindow.ts
index 976b5ad..5329121 100644
--- a/src/main/windows/inboxWindow.ts
+++ b/src/main/windows/inboxWindow.ts
@@ -1,16 +1,17 @@
 import electron from 'electron';
+import type { BrowserWindow as BrowserWindowType } from 'electron';
 const { BrowserWindow, app } = electron;
 import { join } from 'node:path';
 import { fileURLToPath } from 'node:url';
 
-let inboxWindow: BrowserWindow | null = null;
+let inboxWindow: BrowserWindowType | null = null;
 const __dirname = fileURLToPath(new URL('.', import.meta.url));
 
-export function getInboxWindow(): BrowserWindow | null {
+export function getInboxWindow(): BrowserWindowType | null {
   return inboxWindow;
 }
 
-export function createInboxWindow(): BrowserWindow {
+export function createInboxWindow(): BrowserWindowType {
   if (inboxWindow && !inboxWindow.isDestroyed()) {
     inboxWindow.show();
     inboxWindow.focus();
diff --git a/src/main/windows/quickCaptureWindow.ts b/src/main/windows/quickCaptureWindow.ts
index 18c9cca..1cf8cee 100644
--- a/src/main/windows/quickCaptureWindow.ts
+++ b/src/main/windows/quickCaptureWindow.ts
@@ -1,14 +1,15 @@
 import electron from 'electron';
+import type { BrowserWindow as BrowserWindowType } from 'electron';
 const { BrowserWindow, screen } = electron;
 import { join } from 'node:path';
 import { fileURLToPath } from 'node:url';
 
-let win: BrowserWindow | null = null;
+let win: BrowserWindowType | null = null;
 const __dirname = fileURLToPath(new URL('.', import.meta.url));
 
-export function getQuickCaptureWindow(): BrowserWindow | null { return win; }
+export function getQuickCaptureWindow(): BrowserWindowType | null { return win; }
 
-export function createQuickCaptureWindow(): BrowserWindow {
+export function createQuickCaptureWindow(): BrowserWindowType {
   if (win && !win.isDestroyed()) return win;
   const primary = screen.getPrimaryDisplay();
   const W = 640, H = 280;