diff --git a/src/lib/http.js b/src/lib/http.js
index 9dbcdf2..31ebf84 100644
--- a/src/lib/http.js
+++ b/src/lib/http.js
@@ -1 +1 @@
-module.exports.domain = process.env.HTTP_EXTERNAL.match(/http(s?):\/\/(?<domain>[a-zA-Z0-9\-_.]+)(:\d+)?/).groups.domain;
\ No newline at end of file
+module.exports.domain = new URL(process.env.HTTP_EXTERNAL).hostname;