diff --git a/code/config/numerics.config b/code/config/numerics.config
index e553754a6..5faf89382 100644
--- a/code/config/numerics.config
+++ b/code/config/numerics.config
@@ -9,7 +9,7 @@ pert_Fg                   1.0e-7       # deformation gradient perturbation for g
 pert_method               1            # perturbation method (1 = forward, 2 = backward or 3 = central)
 integrator                1            # integration method (1 = Fixed Point Iteration, 2 = Euler, 3 = Adaptive Euler, 4 = classical 4th order Runge-Kutta, 5 = 5th order Runge-Kutta Cash-Karp)
 integratorStiffness       1            # integration method used for stiffness (1 = Fixed Point Iteration, 2 = Euler, 3 = Adaptive Euler, 4 = classical 4th order Runge-Kutta, 5 = 5th order Runge-Kutta Cash-Karp)
-analyticJaco              0            # use analytic Jacobian or perturbation (0 = perturbations, 1 = analytic)
+analyticJaco              1            # use analytic Jacobian or perturbation (0 = perturbations, 1 = analytic)
 unitlength                1            # physical length of one computational length unit
 usepingpong               1            # use the ping pong (collect <-> calc) scheme (always off for Abaqus exp, must be on for Spectral Solver)