diff --git a/src/BulletDynamics/ConstraintSolver/btGeneric6DofSpring2Constraint.h b/src/BulletDynamics/ConstraintSolver/btGeneric6DofSpring2Constraint.h
index c0507a3b2..82d03a3a3 100644
--- a/src/BulletDynamics/ConstraintSolver/btGeneric6DofSpring2Constraint.h
+++ b/src/BulletDynamics/ConstraintSolver/btGeneric6DofSpring2Constraint.h
@@ -265,7 +265,7 @@ enum bt6DofFlags2
 	BT_6DOF_FLAGS_ERP_STOP2 = 2,
 	BT_6DOF_FLAGS_CFM_MOTO2 = 4,
 	BT_6DOF_FLAGS_ERP_MOTO2 = 8,
-	BT_6DOF_FLAGS_USE_INFINITE_ERROR = (1<<31),
+	BT_6DOF_FLAGS_USE_INFINITE_ERROR = (1<<16),
 };
 #define BT_6DOF_FLAGS_AXIS_SHIFT2 4  // bits per axis