diff --git a/modules/routes/routeAdmin.py b/modules/routes/routeAdmin.py
index 6fa23ff6..992ad596 100644
--- a/modules/routes/routeAdmin.py
+++ b/modules/routes/routeAdmin.py
@@ -21,13 +21,14 @@ os.makedirs(staticFolder, exist_ok=True)
 logger = logging.getLogger(__name__)
 
 router = APIRouter(
-    prefix="",
-    tags=["Administration"],
-    responses={404: {"description": "Not found"}}
+    prefix="", tags=["Administration"], responses={404: {"description": "Not found"}}
 )
 
 # Mount static files
-router.mount("/static", StaticFiles(directory=str(staticFolder), html=True), name="static")
+router.mount(
+    "/static", StaticFiles(directory=str(staticFolder), html=True), name="static"
+)
+
 
 @router.get("/")
 @limiter.limit("30/minute")
@@ -36,31 +37,40 @@ async def root(request: Request) -> Dict[str, str]:
     # Validate required configuration values
     allowedOrigins = APP_CONFIG.get("APP_ALLOWED_ORIGINS")
     if not allowedOrigins:
-        raise HTTPException(status_code=500, detail="APP_ALLOWED_ORIGINS configuration is required")
-    
+        raise HTTPException(
+            status_code=500, detail="APP_ALLOWED_ORIGINS configuration is required"
+        )
+
     return {
         "status": "online",
         "message": "Data Platform API is active",
-        "allowedOrigins": f"Allowed origins are {allowedOrigins}"
+        "allowedOrigins": f"Allowed origins are {allowedOrigins}",
     }
 
+
 @router.get("/api/environment")
 @limiter.limit("30/minute")
-async def get_environment(request: Request, currentUser: Dict[str, Any] = Depends(getCurrentUser)) -> Dict[str, str]:
+async def get_environment(
+    request: Request, currentUser: Dict[str, Any] = Depends(getCurrentUser)
+) -> Dict[str, str]:
     """Get environment configuration for frontend"""
     # Validate required configuration values
     apiBaseUrl = APP_CONFIG.get("APP_API_URL")
     if not apiBaseUrl:
-        raise HTTPException(status_code=500, detail="APP_API_URL configuration is required")
-    
+        raise HTTPException(
+            status_code=500, detail="APP_API_URL configuration is required"
+        )
+
     environment = APP_CONFIG.get("APP_ENV")
     if not environment:
         raise HTTPException(status_code=500, detail="APP_ENV configuration is required")
-    
+
     instanceLabel = APP_CONFIG.get("APP_ENV_LABEL")
     if not instanceLabel:
-        raise HTTPException(status_code=500, detail="APP_ENV_LABEL configuration is required")
-    
+        raise HTTPException(
+            status_code=500, detail="APP_ENV_LABEL configuration is required"
+        )
+
     return {
         "apiBaseUrl": apiBaseUrl,
         "environment": environment,
@@ -68,13 +78,17 @@ async def get_environment(request: Request, currentUser: Dict[str, Any] = Depend
         # Add other environment variables the frontend might need
     }
 
+
 @router.options("/{fullPath:path}")
 @limiter.limit("60/minute")
 async def options_route(request: Request, fullPath: str) -> Response:
     return Response(status_code=200)
 
+
 @router.get("/favicon.ico")
 @limiter.limit("30/minute")
 async def favicon(request: Request) -> FileResponse:
-    return FileResponse(str(staticFolder / "favicon.ico"), media_type="image/x-icon")
-
+    favicon_path = staticFolder / "favicon.ico"
+    if not favicon_path.exists():
+        raise HTTPException(status_code=404, detail="Favicon not found")
+    return FileResponse(str(favicon_path), media_type="image/x-icon")