diff --git a/frontend/public/index.html b/frontend/public/index.html
index 5b9f603..42932a5 100644
--- a/frontend/public/index.html
+++ b/frontend/public/index.html
@@ -6,7 +6,7 @@
 	<meta name="application-name" content="Waffle">
 	<meta name="description" content="Waffle - the free, open and focused chat application that runs on *your* server.">
 	<meta name="same-origin" content="same-origin">
-	<meta http-equiv="Content-Security-Policy" content="default-src 'self'; style-src 'self' 'unsafe-inline';">
+	<meta http-equiv="Content-Security-Policy" content="default-src 'self'; style-src 'self' 'unsafe-inline'; connect-src 'self' wss: ws:;">
 
 	<title>app</title>