diff --git a/relay/application.py b/relay/application.py
index e48c292..628d9e5 100644
--- a/relay/application.py
+++ b/relay/application.py
@@ -45,7 +45,7 @@ def get_csp(request: web.Request) -> str:
 		"img-src 'self'",
 		"object-src 'none'",
 		"frame-ancestors 'none'",
-		f"manifest-src 'self' https://{request.app.config.domain}"
+		f"manifest-src 'self' https://{request.app['config'].domain}"
 	]
 
 	return '; '.join(data) + ';'