diff --git a/tests/optimizers/fs2000_5.mod b/tests/optimizers/fs2000_5.mod
index 16fdd957e23612ccfc5ba6b0670ee438085e12de..3dc7e9e1dd67a63d2390ceed66e5e8dcff01470e 100644
--- a/tests/optimizers/fs2000_5.mod
+++ b/tests/optimizers/fs2000_5.mod
@@ -1,3 +1,4 @@
 @#include "fs2000.common.inc"
 
 estimation(mode_compute=5,order=1, datafile='../fs2000/fsdat_simul', nobs=192, mh_replic=0);
+estimation(mode_compute=5,order=1, datafile='../fs2000/fsdat_simul', nobs=192, mh_replic=0, optim=('Hessian',2));