diff --git a/fire_planner/app.py b/fire_planner/app.py
index 3253f2a..6e352f9 100644
--- a/fire_planner/app.py
+++ b/fire_planner/app.py
@@ -33,11 +33,11 @@ from pathlib import Path
 from typing import Any
 
 from fastapi import Depends, FastAPI, status
-from fastapi.exceptions import HTTPException
 from fastapi.middleware.cors import CORSMiddleware
 from fastapi.responses import FileResponse
 from fastapi.staticfiles import StaticFiles
 from prometheus_fastapi_instrumentator import Instrumentator
+from starlette.exceptions import HTTPException as StarletteHTTPException
 from starlette.types import Scope
 
 from fire_planner.api.auth import require_bearer
@@ -159,7 +159,7 @@ class _SPAStaticFiles(StaticFiles):
     async def get_response(self, path: str, scope: Scope):  # type: ignore[no-untyped-def]
         try:
             return await super().get_response(path, scope)
-        except HTTPException as exc:
+        except StarletteHTTPException as exc:
             if exc.status_code == 404:
                 index = Path(self.directory) / "index.html"  # type: ignore[arg-type]
                 if index.is_file():