diff --git a/web/errors.py b/web/errors.py
new file mode 100644
index 0000000..abdc92b
--- /dev/null
+++ b/web/errors.py
@@ -0,0 +1,6 @@
+# web/errors.py
+from flask import jsonify
+
+@app.errorhandler(404)
+def not_found(error):
+    return jsonify({'error': 'Not found'}), 404