diff --git a/src/pg/core/_master-pattern.pug b/src/pg/core/_master-pattern.pug
index 6c2c715..767bf05 100644
--- a/src/pg/core/_master-pattern.pug
+++ b/src/pg/core/_master-pattern.pug
@@ -37,6 +37,11 @@ html
 	head
 		
 		title Pattern
+		script.
+			let u = document.location.href.substring(0, document.location.href.search(/patterns/i));
+			let p = document.location.pathname.substring(document.location.pathname.search(/patterns/i));
+			p = p.replace(/\/$|\/index\.html/i, "").substring(9);
+			window.location = u + "?p=" + p;
 
 	body(data-assetpath= assetpath data-prismjs-copy-timeout="1500")