diff --git a/aw_server/custom_static.py b/aw_server/custom_static.py
index 138b301..e9bf624 100644
--- a/aw_server/custom_static.py
+++ b/aw_server/custom_static.py
@@ -23,11 +23,11 @@
 
 from flask import (
     Blueprint,
-    escape,
     jsonify,
     send_from_directory,
 )
 
+from markupsafe import escape
 
 def get_custom_static_blueprint(custom_static_directories):
     custom_static_blueprint = Blueprint("custom_static", __name__, url_prefix="/")