diff --git a/tests/fs2000/fs2000a.mod b/tests/fs2000/fs2000a.mod
index 91f6c1e5c..fec11e36b 100644
--- a/tests/fs2000/fs2000a.mod
+++ b/tests/fs2000/fs2000a.mod
@@ -72,6 +72,8 @@ var e_a; stderr 0.014;
 var e_m; stderr 0.005;
 end;
 
+unit_root_vars P_obs Y_obs;
+
 steady;
 
 check;
@@ -95,7 +97,7 @@ P_obs (log(mst)-gam);
 Y_obs (gam);
 end;
 
-unit_root_vars P_obs Y_obs;
 
-estimation(datafile=fsdat,nobs=192,loglinear,mh_replic=2000,mh_nblocks=2,mh_drop=0.45);
+estimation(datafile=fsdat,nobs=192,loglinear,mh_replic=2000,
+	mode_compute=4,mh_nblocks=2,mh_drop=0.45,mh_jscale=0.65);