diff --git a/data/multibody.bullet b/data/multibody.bullet
index 19dacc389..70f15a27e 100644
Binary files a/data/multibody.bullet and b/data/multibody.bullet differ
diff --git a/src/BulletDynamics/ConstraintSolver/btContactSolverInfo.h b/src/BulletDynamics/ConstraintSolver/btContactSolverInfo.h
index a3a0fa672..cf310da76 100644
--- a/src/BulletDynamics/ConstraintSolver/btContactSolverInfo.h
+++ b/src/BulletDynamics/ConstraintSolver/btContactSolverInfo.h
@@ -77,7 +77,7 @@ struct btContactSolverInfo : public btContactSolverInfoData
 		m_maxErrorReduction = btScalar(20.);
 		m_numIterations = 10;
 		m_erp = btScalar(0.2);
-		m_erp2 = btScalar(0.8);
+		m_erp2 = btScalar(0.2);
 		m_globalCfm = btScalar(0.);
 		m_sor = btScalar(1.);
 		m_splitImpulse = true;