diff --git a/scripts/system/html/js/marketplacesInject.js b/scripts/system/html/js/marketplacesInject.js
index 10970a7749..d4937ac9db 100644
--- a/scripts/system/html/js/marketplacesInject.js
+++ b/scripts/system/html/js/marketplacesInject.js
@@ -26,6 +26,8 @@
     var xmlHttpRequest = null;
     var isPreparing = false;  // Explicitly track download request status.
 
+    var lastPage = "https://metaverse.highfidelity.com/marketplace?";
+
     function injectCommonCode(isDirectoryPage) {
 
         // Supporting styles from marketplaces.css.
@@ -65,7 +67,7 @@
 
         // Footer actions.
         $("#back-button").on("click", function () {
-            window.history.back();
+            window.location = lastPage;
         });
         $("#all-markets").on("click", function () {
             EventBridge.emitWebEvent(GOTO_DIRECTORY);
@@ -342,7 +344,12 @@
         }
     }
 
+    function locationChanged() {
+        lastPage = location.href;
+    }
+
     // Load / unload.
     window.addEventListener("load", onLoad);  // More robust to Web site issues than using $(document).ready().
+    window.addEventListener("hashchange", locationChanged);
 
 }());
diff --git a/scripts/system/tablet-users.js b/scripts/system/tablet-users.js
index d5c381917e..a74b7f2910 100644
--- a/scripts/system/tablet-users.js
+++ b/scripts/system/tablet-users.js
@@ -69,7 +69,11 @@
     function onWebEventReceived(event) {
         print("Script received a web event, its type is " + typeof event);
         if (typeof event === "string") {
-            event = JSON.parse(event);
+            try {
+                event = JSON.parse(event);
+            } catch(e) {
+                return;
+            }
         }
         if (event.type === "ready") {
             // send username to html