diff --git a/bus-wasd.html b/bus-wasd.html
index ab9d410..0a2cc57 100644
--- a/bus-wasd.html
+++ b/bus-wasd.html
@@ -27,7 +27,7 @@
           bus1Capacity: 10,
           stop1Peeps: 10,
           stop2Peeps: 0,
-          bus1Controller: 2,
+          bus1ControllerId: 2,
         },
         handlers: {
           decreaseBus1Peeps: function (state, action) {
@@ -44,6 +44,12 @@
           },
           increaseStop2Peeps: function (state, action) {
             state.stop2Peeps += 1;
+          },
+          increaseBus1ControllerId: function (state, action) {
+            state.Bus1ControllerId += 1;
+          },
+          decreaseBus1ControllerId: function (state, action) {
+            state.Bus1ControllerId -= 1;
           }
         },
         computeState: function (newState, payload) {
@@ -466,7 +472,7 @@
         //    tracked-controls="idPrefix: OpenVR; controller: 2; orientationOffset:-90 180 0"
         var controllerEl = document.querySelector("#bus1-controller");
         controllerEl.setAttribute("tracked-controls", "idPrefix: OpenVR; orientationOffset:-90 180 0");
-        controllerEl.setAttribute("bind__tracked-controls", "controller: bus1Controller");
+        controllerEl.setAttribute("bind__tracked-controls", "controller: bus1ControllerId");
         document.querySelector("#tracker-model").setAttribute("visible", "true");
       }