diff --git a/matlab/global_initialization.m b/matlab/global_initialization.m
index 39fd687c324cc38ca688ac2465ddea01ea247d60..7f07232dd27bc4a499850cdbfa2b60c36a078e2c 100644
--- a/matlab/global_initialization.m
+++ b/matlab/global_initialization.m
@@ -181,7 +181,7 @@ function global_initialization()
   options_.posterior_sampling_method = 'random_walk_metropolis_hastings';
   options_.proposal_distribution = 'rand_multivariate_normal';
   options_.student_degrees_of_freedom = 3;
-  options_.trace_plot_ma = 50;
+  options_.trace_plot_ma = 200;
   
   
   % Misc