diff --git a/backend/addressgen-backend.spec b/backend/addressgen-backend.spec
new file mode 100644
index 0000000..030c550
--- /dev/null
+++ b/backend/addressgen-backend.spec
@@ -0,0 +1,38 @@
+# -*- mode: python ; coding: utf-8 -*-
+
+
+a = Analysis(
+    ['app.py'],
+    pathex=['backend'],
+    binaries=[],
+    datas=[],
+    hiddenimports=['p2pk', 'p2pkh', 'p2sh', 'p2tr', 'p2wpkh'],
+    hookspath=[],
+    hooksconfig={},
+    runtime_hooks=[],
+    excludes=[],
+    noarchive=False,
+    optimize=0,
+)
+pyz = PYZ(a.pure)
+
+exe = EXE(
+    pyz,
+    a.scripts,
+    a.binaries,
+    a.datas,
+    [],
+    name='addressgen-backend',
+    debug=False,
+    bootloader_ignore_signals=False,
+    strip=False,
+    upx=True,
+    upx_exclude=[],
+    runtime_tmpdir=None,
+    console=True,
+    disable_windowed_traceback=False,
+    argv_emulation=False,
+    target_arch=None,
+    codesign_identity=None,
+    entitlements_file=None,
+)
diff --git a/backend/app.py b/backend/app.py
index b3a5eaa..60a30bf 100644
--- a/backend/app.py
+++ b/backend/app.py
@@ -9,8 +9,9 @@ from fastapi.middleware.cors import CORSMiddleware
 from pydantic import BaseModel
 
 ROOT_DIR = os.path.abspath(os.path.join(os.path.dirname(__file__), ".."))
-if ROOT_DIR not in sys.path:
-    sys.path.insert(0, ROOT_DIR)
+BACKEND_DIR = os.path.abspath(os.path.dirname(__file__))
+if BACKEND_DIR not in sys.path:
+    sys.path.insert(0, BACKEND_DIR)
 
 import p2pk
 import p2pkh
@@ -170,7 +171,7 @@ def run():
     import uvicorn
 
     port = int(os.getenv("ADDRESSGEN_PORT", "8732"))
-    uvicorn.run("backend.app:app", host="127.0.0.1", port=port, log_level="info")
+    uvicorn.run(app, host="127.0.0.1", port=port, log_level="info")
 
 
 if __name__ == "__main__":
diff --git a/package.json b/package.json
index cc229eb..01a5b89 100644
--- a/package.json
+++ b/package.json
@@ -10,7 +10,7 @@
     "dev:electron": "wait-on http://localhost:5173 && electron .",
     "dev": "concurrently -k \"npm:dev:backend\" \"npm:dev:frontend\" \"npm:dev:electron\"",
     "build:frontend": "vite build --config frontend/vite.config.js",
-    "build:backend": "pyinstaller --name addressgen-backend --onefile backend/app.py --distpath backend/dist --workpath backend/build --specpath backend",
+    "build:backend": "pyinstaller --name addressgen-backend --onefile backend/app.py --paths backend --hidden-import p2pk --hidden-import p2pkh --hidden-import p2sh --hidden-import p2tr --hidden-import p2wpkh --distpath backend/dist --workpath backend/build --specpath backend",
     "build": "npm run build:frontend && npm run build:backend && electron-builder --linux"
   },
   "devDependencies": {
diff --git a/requirements.txt b/requirements.txt
index 634f5ea..5aa1a6e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,3 +4,4 @@ ecdsa==0.19.0
 six==1.17.0
 fastapi==0.115.0
 uvicorn[standard]==0.30.6
+pyinstaller==6.11.0