diff --git a/package.json b/package.json
index 28267c1bfa97..fb46bbd6d104 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "pxt-core",
-  "version": "11.2.20",
+  "version": "11.2.21",
   "description": "Microsoft MakeCode provides Blocks / JavaScript / Python tools and editors",
   "keywords": [
     "TypeScript",
diff --git a/webapp/public/multi.html b/webapp/public/multi.html
index bbe86044d2a8..b440b4617d86 100644
--- a/webapp/public/multi.html
+++ b/webapp/public/multi.html
@@ -71,7 +71,12 @@
                 var hashLeft = ""
                 var hashRight = ""
                 var route = (window.location.hash || "#");
+                // Split using :|: as well as :%7C:
                 var parts = route.replace(/^#/, '').split(':|:', 2);
+                if (parts.length == 1) {
+                    //As some link out conver :|: to :%7C:
+                    parts = route.replace(/^#/, '').split(':%7C:', 2);
+                }
                 updateSrc(left, parts[0]);
                 updateSrc(right, parts[1]);
                 window.history.replaceState('', '', '#')