diff --git a/meshview/templates/map.html b/meshview/templates/map.html
index fa7d7c0..95de2e7 100644
--- a/meshview/templates/map.html
+++ b/meshview/templates/map.html
@@ -1,8 +1,8 @@
{% extends "base.html" %}
{% block css %}
+ integrity="sha256-p4NxAoJBhIIN+hmNHrzRCf9tD/miZyoHS5obTRR9BMY="
+ crossorigin=""/>