diff --git a/server/routers/settings.py b/server/routers/settings.py
index 4eb9c00..cf16045 100644
--- a/server/routers/settings.py
+++ b/server/routers/settings.py
@@ -6,6 +6,7 @@ API endpoints for global settings management.
 Settings are stored in the registry database and shared across all projects.
 """
 
+import mimetypes
 import os
 import sys
 from pathlib import Path
@@ -14,8 +15,7 @@ from fastapi import APIRouter
 
 from ..schemas import ModelInfo, ModelsResponse, SettingsResponse, SettingsUpdate
 
-# Mimetype fix for Windows
-import mimetypes
+# Mimetype fix for Windows - must run before StaticFiles is mounted
 mimetypes.add_type("text/javascript", ".js", True)
 
 # Add root to path for registry import