diff --git a/README.md b/README.md
index e732ac9..a887482 100644
--- a/README.md
+++ b/README.md
@@ -98,7 +98,7 @@ python -m app.cli --apply --playlist 0
 
 ## Data & Layout
 
-- Database: `app/data/app.db`
+- Database: `db/app.db`
 - Outputs: `<save_path>/audio` and/or `<save_path>/video`
 - Recycle bin: `<save_path>/.recycle/{audio,video}`
 
diff --git a/src/app/cli.py b/src/app/cli.py
index 4f87963..e86abd9 100644
--- a/src/app/cli.py
+++ b/src/app/cli.py
@@ -19,7 +19,7 @@ from .core.utils.logging_setup import configure_logging
 def main(argv: list[str] | None = None) -> int:
     parser = argparse.ArgumentParser(description="YouTube Playlist Sync — compute/apply actions")
     parser.add_argument("--apply", action="store_true", help="Apply actions (otherwise compute-only)")
-    parser.add_argument("--db", type=Path, default=Path("app/data/app.db"), help="Path to SQLite database")
+    parser.add_argument("--db", type=Path, default=Path("db/app.db"), help="Path to SQLite database")
     parser.add_argument("--playlist", type=int, default=None, help="Only run for a specific playlist index (0-based)")
     parser.add_argument("--verbose", action="store_true", help="Print detailed events (rename/recycle/start)")
     parser.add_argument("--debug", action="store_true", help="Enable debug logging to console + app/data/app.log")
diff --git a/src/app/gui/pages/playlists.py b/src/app/gui/pages/playlists.py
index c505a02..9b268c9 100644
--- a/src/app/gui/pages/playlists.py
+++ b/src/app/gui/pages/playlists.py
@@ -130,7 +130,7 @@ class PlaylistManagerPage(QtWidgets.QWidget):
         # Optional DB metadata (last_sync). If DB is missing/corrupt, keep UI usable.
         last_sync_by_id: dict[str, str] = {}
         try:
-            db = Database(Path("app/data/app.db").resolve())
+            db = Database(Path("db/app.db").resolve())
             for r in rows:
                 pid = extract_playlist_id(r.url) or r.url
                 ls = db.get_playlist_last_sync(pid)
diff --git a/src/app/gui/runner.py b/src/app/gui/runner.py
index 2335c79..50c3d86 100644
--- a/src/app/gui/runner.py
+++ b/src/app/gui/runner.py
@@ -18,7 +18,7 @@ from ..core.events.event_bus import EventBus
 class SyncRequest:
     playlist_cfg: Dict[str, Any]
     apply: bool = True
-    db_path: Path = Path("app/data/app.db")
+    db_path: Path = Path("db/app.db")
     cancel_flag: threading.Event | None = None
     pause_flag: threading.Event | None = None
 
diff --git a/src/app/main.py b/src/app/main.py
index 018e2b1..8e46d1e 100644
--- a/src/app/main.py
+++ b/src/app/main.py
@@ -20,7 +20,7 @@ from .core.utils.deps import DependencyError
 
 def bootstrap(db_path: Path | None = None) -> None:
     settings = Settings()
-    db = Database((db_path or Path("app/data/app.db")).resolve())
+    db = Database((db_path or Path("db/app.db")).resolve())
     service = SyncService(db)
     executor = ActionExecutor(db)