diff --git a/addons/xterm-addon-web-links/src/WebLinksAddon.ts b/addons/xterm-addon-web-links/src/WebLinksAddon.ts
index 7de6c807..aae921ec 100644
--- a/addons/xterm-addon-web-links/src/WebLinksAddon.ts
+++ b/addons/xterm-addon-web-links/src/WebLinksAddon.ts
@@ -10,7 +10,7 @@ const protocolClause = '(https?:\\/\\/)';
 const domainCharacterSet = '[\\da-z\\.-]+';
 const negatedDomainCharacterSet = '[^\\da-z\\.-]+';
 const domainBodyClause = '(' + domainCharacterSet + ')';
-const tldClause = '([a-z\\.]{2,14})';
+const tldClause = '([a-z\\.]{2,18})';
 const ipClause = '((\\d{1,3}\\.){3}\\d{1,3})';
 const localHostClause = '(localhost)';
 const portClause = '(:\\d{1,5})';