diff --git a/src/js/uri-utils.js b/src/js/uri-utils.js
index 8a2f4e6c2..c1a7b0232 100644
--- a/src/js/uri-utils.js
+++ b/src/js/uri-utils.js
@@ -44,7 +44,7 @@ const reIPv6FromAuthority =
 const reMustNormalizeHostname =
     /[^0-9a-z._-]/;
 const reOriginFromURI =
-    /^(?:[^:\/?#]+:)\/\/[^\/?#]+/;
+    /^[^:\/?#]+:\/\/[^\/?#]+/;
 const reHostnameFromNetworkURL =
     /^(?:http|ws|ftp)s?:\/\/([0-9a-z_][0-9a-z._-]*[0-9a-z])(?::\d+)?\//;
 const reIPAddressNaive =