diff --git a/Demos/SerializeDemo/SerializeDemo.cpp b/Demos/SerializeDemo/SerializeDemo.cpp
index 2a128214b..579a2b03e 100644
--- a/Demos/SerializeDemo/SerializeDemo.cpp
+++ b/Demos/SerializeDemo/SerializeDemo.cpp
@@ -165,6 +165,7 @@ void SerializeDemo::clientMoveAndDisplay()
 	{
 		m_dynamicsWorld->stepSimulation(ms / 1000000.f);
 
+		
 #ifdef DESERIALIZE_SOFT_BODIES
 		if (fSoftBodySolver)
             fSoftBodySolver->copyBackToSoftBodies();
@@ -289,6 +290,7 @@ void	SerializeDemo::setupEmptyDynamicsWorld()
 
 	///use the default collision dispatcher. For parallel processing you can use a diffent dispatcher (see Extras/BulletMultiThreaded)
 	m_dispatcher = new	btCollisionDispatcher(m_collisionConfiguration);
+	btGImpactCollisionAlgorithm::registerAlgorithm(m_dispatcher);
 
 	m_broadphase = new btDbvtBroadphase();
 	
@@ -351,6 +353,7 @@ void	SerializeDemo::setupEmptyDynamicsWorld()
                                           m_collisionConfiguration, fSoftBodySolver);
 	m_dynamicsWorld = world;
 
+
 	//world->setDrawFlags(world->getDrawFlags()^fDrawFlags::Clusters);
 #else
 	m_dynamicsWorld = new btDiscreteDynamicsWorld(m_dispatcher,m_broadphase,m_solver,m_collisionConfiguration);
@@ -753,6 +756,8 @@ void	SerializeDemo::initPhysics()
 #endif //DESERIALIZE_SOFT_BODIES
 //	fileLoader->setVerboseMode(true);
 
+
+
 	if (!m_fileLoader->loadFile("testFile.bullet"))
 //	if (!m_fileLoader->loadFile("../SoftDemo/testFile.bullet"))
 	{