diff --git a/scripts/system/libraries/gridTool.js b/scripts/system/libraries/gridTool.js
index 2c417a9dde..19d4417a12 100644
--- a/scripts/system/libraries/gridTool.js
+++ b/scripts/system/libraries/gridTool.js
@@ -242,7 +242,9 @@ GridTool = function(opts) {
 
     horizontalGrid.addListener(function(data) {
         webView.emitScriptEvent(JSON.stringify(data));
-        selectionDisplay.updateHandles();
+        if (selectionDisplay) {
+            selectionDisplay.updateHandles();
+        }
     });
 
     webView.webEventReceived.connect(function(data) {
diff --git a/scripts/system/marketplaces/marketplaces.js b/scripts/system/marketplaces/marketplaces.js
index afeaf1c909..004375bff7 100644
--- a/scripts/system/marketplaces/marketplaces.js
+++ b/scripts/system/marketplaces/marketplaces.js
@@ -11,10 +11,12 @@
 /* global Tablet, Script, HMD, UserActivityLogger, Entities */
 /* eslint indent: ["error", 4, { "outerIIFEBody": 0 }] */
 
+var selectionDisplay = null; // for gridTool.js to ignore
+
 (function () { // BEGIN LOCAL_SCOPE
 
-    Script.include("../libraries/WebTablet.js");
-    Script.include("../libraries/gridTool.js");
+    Script.include("/~/system/libraries/WebTablet.js");
+    Script.include("/~/system/libraries/gridTool.js");
 
     var METAVERSE_SERVER_URL = Account.metaverseServerURL;
     var MARKETPLACE_URL = METAVERSE_SERVER_URL + "/marketplace";