diff --git a/Runtime/HumanoidFree/Scripts/Extensions/UnityXR/UnityXRHand.cs b/Runtime/HumanoidFree/Scripts/Extensions/UnityXR/UnityXRHand.cs
index 06fb91b..7671fd9 100644
--- a/Runtime/HumanoidFree/Scripts/Extensions/UnityXR/UnityXRHand.cs
+++ b/Runtime/HumanoidFree/Scripts/Extensions/UnityXR/UnityXRHand.cs
@@ -140,17 +140,17 @@ namespace Passer.Humanoid {
             controllerInputSide.stickButton |= (controller.primaryAxis.z > 0.5F);
             controllerInputSide.stickTouch |= (controller.primaryAxis.z > -0.5F);
 
-            controllerInputSide.touchpadHorizontal = controller.secondaryAxis.x;
-            controllerInputSide.touchpadVertical = controller.secondaryAxis.y;
+            controllerInputSide.touchpadHorizontal += controller.secondaryAxis.x;
+            controllerInputSide.touchpadVertical += controller.secondaryAxis.y;
             controllerInputSide.touchpadPress |= (controller.secondaryAxis.z > 0.5F);
             controllerInputSide.touchpadTouch |= (controller.secondaryAxis.z > -0.5F);
 
             controllerInputSide.buttons[0] |= (controller.button1 > 0.5F);
             controllerInputSide.buttons[1] |= (controller.button2 > 0.5F);
 
-            controllerInputSide.trigger1 = controller.trigger1;
-            controllerInputSide.trigger2 = controller.trigger2;
-            controllerInputSide.option = controller.option > 0;
+            controllerInputSide.trigger1 += controller.trigger1;
+            controllerInputSide.trigger2 += controller.trigger2;
+            controllerInputSide.option |= controller.option > 0;
         }
 
         // arm model for 3DOF tracking: position is calculated from rotation