diff --git a/src/BulletDynamics/Vehicle/btRaycastVehicle.cpp b/src/BulletDynamics/Vehicle/btRaycastVehicle.cpp
index cbb41ece22..f7d0a05f51 100644
--- a/src/BulletDynamics/Vehicle/btRaycastVehicle.cpp
+++ b/src/BulletDynamics/Vehicle/btRaycastVehicle.cpp
@@ -176,7 +176,7 @@ btScalar btRaycastVehicle::rayCast(btWheelInfo& wheel)
 
 	btAssert(m_vehicleRaycaster);
 
-	void* object = m_vehicleRaycaster->castRay(source, target, rayResults);
+	const void* object = m_vehicleRaycaster->castRay(source, target, rayResults);
 
 	wheel.m_raycastInfo.m_groundObject = 0;
 
@@ -684,7 +684,7 @@ void btRaycastVehicle::debugDraw(btIDebugDraw* debugDrawer)
 	}
 }
 
-void* btDefaultVehicleRaycaster::castRay(const btVector3& from, const btVector3& to, btVehicleRaycasterResult& result)
+const void* btDefaultVehicleRaycaster::castRay(const btVector3& from, const btVector3& to, btVehicleRaycasterResult& result)
 {
 	//	RayResultCallback& resultCallback;
 
diff --git a/src/BulletDynamics/Vehicle/btRaycastVehicle.h b/src/BulletDynamics/Vehicle/btRaycastVehicle.h
index b4a92b0a91..1c7d952374 100644
--- a/src/BulletDynamics/Vehicle/btRaycastVehicle.h
+++ b/src/BulletDynamics/Vehicle/btRaycastVehicle.h
@@ -212,7 +212,7 @@ class btDefaultVehicleRaycaster : public btVehicleRaycaster
 	{
 	}
 
-	virtual void* castRay(const btVector3& from, const btVector3& to, btVehicleRaycasterResult& result);
+	virtual const void* castRay(const btVector3& from, const btVector3& to, btVehicleRaycasterResult& result);
 };
 
 #endif  //BT_RAYCASTVEHICLE_H
diff --git a/src/BulletDynamics/Vehicle/btVehicleRaycaster.h b/src/BulletDynamics/Vehicle/btVehicleRaycaster.h
index 2c44ce546c..1e97664d5d 100644
--- a/src/BulletDynamics/Vehicle/btVehicleRaycaster.h
+++ b/src/BulletDynamics/Vehicle/btVehicleRaycaster.h
@@ -27,7 +27,7 @@ struct btVehicleRaycaster
 		btScalar m_distFraction;
 	};
 
-	virtual void* castRay(const btVector3& from, const btVector3& to, btVehicleRaycasterResult& result) = 0;
+	virtual const void* castRay(const btVector3& from, const btVector3& to, btVehicleRaycasterResult& result) = 0;
 };
 
 #endif  //BT_VEHICLE_RAYCASTER_H