diff --git a/tests/stochastic-backward-models/solow_ces.mod b/tests/stochastic-backward-models/solow_ces.mod
index 01116cc73..c2eb850ff 100644
--- a/tests/stochastic-backward-models/solow_ces.mod
+++ b/tests/stochastic-backward-models/solow_ces.mod
@@ -44,8 +44,8 @@ histval;
 end;
 
 shocks;
-    var e_x = 0.005;
-    var e_n = 0.001;
+    var e_x = 0;
+    var e_n = 0;
 end;
 
-simulations = simul_backward_model([], 5000);
\ No newline at end of file
+simulations = simul_backward_model([], 500);
\ No newline at end of file