diff --git a/auto-claude-ui/electron.vite.config.ts b/auto-claude-ui/electron.vite.config.ts
index 7d3b23aa..968c7fc3 100644
--- a/auto-claude-ui/electron.vite.config.ts
+++ b/auto-claude-ui/electron.vite.config.ts
@@ -20,7 +20,7 @@ export default defineConfig({
           index: resolve(__dirname, 'src/main/index.ts')
         },
         // Only node-pty needs to be external (native module rebuilt by electron-builder)
-        external: ['node-pty']
+        external: ['@lydell/node-pty']
       }
     }
   },
diff --git a/auto-claude-ui/src/main/terminal/pty-daemon.ts b/auto-claude-ui/src/main/terminal/pty-daemon.ts
index 9c430efc..7e5bf2d5 100644
--- a/auto-claude-ui/src/main/terminal/pty-daemon.ts
+++ b/auto-claude-ui/src/main/terminal/pty-daemon.ts
@@ -10,7 +10,7 @@
 
 import * as net from 'net';
 import * as fs from 'fs';
-import * as pty from 'node-pty';
+import * as pty from '@lydell/node-pty';
 
 const SOCKET_PATH =
   process.platform === 'win32'
diff --git a/auto-claude-ui/src/main/terminal/pty-manager.ts b/auto-claude-ui/src/main/terminal/pty-manager.ts
index 26c61855..d118dca7 100644
--- a/auto-claude-ui/src/main/terminal/pty-manager.ts
+++ b/auto-claude-ui/src/main/terminal/pty-manager.ts
@@ -3,7 +3,7 @@
  * Handles low-level PTY process creation and lifecycle
  */
 
-import * as pty from 'node-pty';
+import * as pty from '@lydell/node-pty';
 import * as os from 'os';
 import type { TerminalProcess, WindowGetter } from './types';
 import { IPC_CHANNELS } from '../../shared/constants';
diff --git a/auto-claude-ui/src/main/terminal/types.ts b/auto-claude-ui/src/main/terminal/types.ts
index 5cbd2eca..7a361890 100644
--- a/auto-claude-ui/src/main/terminal/types.ts
+++ b/auto-claude-ui/src/main/terminal/types.ts
@@ -1,4 +1,4 @@
-import type * as pty from 'node-pty';
+import type * as pty from '@lydell/node-pty';
 import type { BrowserWindow } from 'electron';
 
 /**