diff --git a/sim/simlib.ts b/sim/simlib.ts
index 03276157..ecdf3231 100644
--- a/sim/simlib.ts
+++ b/sim/simlib.ts
@@ -31,7 +31,7 @@ namespace pxsim {
 
     export function parseQueryString(): (key: string) => string {
         let qs = window.location.search.substring(1);
-        let getQsVal = (key: string) => decodeURIComponent((qs.split(`${key}=`)[1] || "").split("&")[0] || "").replace(/\+/g, " ");
+        let getQsVal = (key: string) => decodeURIComponent((qs.split(`${key}=`)[1] || "").split("&")[0] || ""); //.replace(/\+/g, " ");
         return getQsVal;
     }
 }