diff --git a/src/BulletDynamics/Dynamics/btRigidBody.cpp b/src/BulletDynamics/Dynamics/btRigidBody.cpp
index 653aab885..a2b8a7dad 100644
--- a/src/BulletDynamics/Dynamics/btRigidBody.cpp
+++ b/src/BulletDynamics/Dynamics/btRigidBody.cpp
@@ -46,6 +46,7 @@ void	btRigidBody::setupRigidBody(const btRigidBody::btRigidBodyConstructionInfo&
 	m_angularVelocity.setValue(btScalar(0.),btScalar(0.),btScalar(0.));
 	m_angularFactor = btScalar(1.);
 	m_gravity.setValue(btScalar(0.0), btScalar(0.0), btScalar(0.0));
+	m_gravity_acceleration.setValue(btScalar(0.0), btScalar(0.0), btScalar(0.0));
 	m_totalForce.setValue(btScalar(0.0), btScalar(0.0), btScalar(0.0));
 	m_totalTorque.setValue(btScalar(0.0), btScalar(0.0), btScalar(0.0)),
 	m_linearDamping = btScalar(0.);
@@ -124,6 +125,7 @@ void btRigidBody::setGravity(const btVector3& acceleration)
 	{
 		m_gravity = acceleration * (btScalar(1.0) / m_inverseMass);
 	}
+	m_gravity_acceleration = acceleration;
 }
 
 
diff --git a/src/BulletDynamics/Dynamics/btRigidBody.h b/src/BulletDynamics/Dynamics/btRigidBody.h
index 3026b7a7f..de0cc29a3 100644
--- a/src/BulletDynamics/Dynamics/btRigidBody.h
+++ b/src/BulletDynamics/Dynamics/btRigidBody.h
@@ -48,6 +48,7 @@ class btRigidBody  : public btCollisionObject
 	btScalar		m_angularFactor;
 
 	btVector3		m_gravity;	
+	btVector3		m_gravity_acceleration;
 	btVector3		m_invInertiaLocal;
 	btVector3		m_totalForce;
 	btVector3		m_totalTorque;
@@ -181,7 +182,7 @@ public:
 
 	const btVector3&	getGravity() const
 	{
-		return m_gravity;
+		return m_gravity_acceleration;
 	}
 
 	void			setDamping(btScalar lin_damping, btScalar ang_damping);