diff --git a/src/BulletDynamics/ConstraintSolver/btHingeConstraint.cpp b/src/BulletDynamics/ConstraintSolver/btHingeConstraint.cpp
index 7cf26c167..b6b343058 100644
--- a/src/BulletDynamics/ConstraintSolver/btHingeConstraint.cpp
+++ b/src/BulletDynamics/ConstraintSolver/btHingeConstraint.cpp
@@ -23,7 +23,7 @@ subject to the following restrictions:
 
 //-----------------------------------------------------------------------------
 
-#define HINGE_USE_OBSOLETE_SOLVER true
+#define HINGE_USE_OBSOLETE_SOLVER false
 
 //-----------------------------------------------------------------------------