diff --git a/src/web/server.py b/src/web/server.py
index 269bc29..930b60e 100644
--- a/src/web/server.py
+++ b/src/web/server.py
@@ -56,11 +56,11 @@ _ui_dist_env = os.environ.get("UI_DIST_DIR")
 if _ui_dist_env:
     UI_DIST_DIR = Path(_ui_dist_env).resolve()
 else:
-    # Look relative to backend package first, then common project layouts
+    # Priority order: pi-multifx-pedal-ui (Helix style) -> src/web/ui-dist (legacy) -> frontend-react (deprecated)
     _candidates = [
+        Path(__file__).resolve().parent.parent.parent.parent / "pi-multifx-pedal-ui" / "dist",
         Path(__file__).resolve().parent / "ui-dist",
         Path(__file__).resolve().parent.parent.parent / "frontend-react" / "dist",
-        Path(__file__).resolve().parent.parent.parent.parent / "pi-multifx-pedal-ui" / "dist",
     ]
     UI_DIST_DIR = next((d for d in _candidates if d.is_dir()), None)