diff --git a/src/BulletDynamics/ConstraintSolver/btGeneric6DofSpringConstraint.cpp b/src/BulletDynamics/ConstraintSolver/btGeneric6DofSpringConstraint.cpp
index d75774316..3dad5c2ec 100644
--- a/src/BulletDynamics/ConstraintSolver/btGeneric6DofSpringConstraint.cpp
+++ b/src/BulletDynamics/ConstraintSolver/btGeneric6DofSpringConstraint.cpp
@@ -86,7 +86,7 @@ void btGeneric6DofSpringConstraint::setEquilibriumPoint(int index)
 	}
 	else
 	{
-		m_equilibriumPoint[index + 3] = m_calculatedAxisAngleDiff[index];
+		m_equilibriumPoint[index] = m_calculatedAxisAngleDiff[index - 3];
 	}
 }