--- a/devtools/client/framework/toolbox-options.js
+++ b/devtools/client/framework/toolbox-options.js
@@ -321,16 +321,21 @@ OptionsPanel.prototype = {
       label: "Enable new console frontend",
       id: "devtools-new-webconsole",
       parentId: "webconsole-options"
     }, {
       pref: "devtools.debugger.new-debugger-frontend",
       label: "Enable new debugger frontend",
       id: "devtools-new-debugger",
       parentId: "debugger-options"
+    }, {
+      pref: "devtools.layoutview.enabled",
+      label: "Enable layout panel",
+      id: "devtools-layout-panel",
+      parentId: "inspector-options"
     }];
 
     let createPreferenceOption = ({pref, label, id}) => {
       let inputLabel = this.panelDoc.createElement("label");
       let checkbox = this.panelDoc.createElement("input");
       checkbox.setAttribute("type", "checkbox");
       if (GetPref(pref)) {
         checkbox.setAttribute("checked", "checked");