diff --git a/static/mmci-cli/lib/stoch_simul_MMB.m b/static/mmci-cli/lib/stoch_simul_MMB.m
index be8060a7..d3a8e45e 100644
--- a/static/mmci-cli/lib/stoch_simul_MMB.m
+++ b/static/mmci-cli/lib/stoch_simul_MMB.m
@@ -74,14 +74,14 @@
   options_.order = 1;     % ADDED BY MODELBASE TEAM
 
 % Error fix
-%  if str2num(d_version([1 3])) < 50 && ~isempty(strfind(base.names, 'US_FRB22_'))
-%      error(horzcat('Dynare version 5.0 or higher is required for model: ', base.names));
-%  end
+  if str2num(d_version([1 3])) < 50 && ~isempty(strfind(base.names, 'US_FRB22_'))
+      error(horzcat('Dynare version 5.0 or higher is required for model: ', base.names));
+  end
 
 
-  if str2num(d_version([1 3]))<50 && contains(base.names,'US_FRB22_')
-      error(horzcat('Dynare version 5.0 or higher is required for model: ',base.names))
-  end
+%  if str2num(d_version([1 3]))<50 && contains(base.names,'US_FRB22_')
+%      error(horzcat('Dynare version 5.0 or higher is required for model: ',base.names))
+%  end
 
   if options_.linear
     options_.order = 1;