diff --git a/matlab/+occbin/set_default_options.m b/matlab/+occbin/set_default_options.m
index f15f9eb365a1a3bef27315009fff4ed4059ec856..9fe7078711d3037c0202b410a49609cef5a956e8 100644
--- a/matlab/+occbin/set_default_options.m
+++ b/matlab/+occbin/set_default_options.m
@@ -174,6 +174,9 @@ if ismember(flag,{'shock_decomp','all'})
     options_occbin_.shock_decomp.shocks_only=false;
     options_occbin_.shock_decomp.total_effect=false;
     options_occbin_.shock_decomp.conditional_only=true;
+    options_occbin_.shock_decomp.exclude_shock_from_weights='';
+    options_occbin_.shock_decomp.variable_for_computing_weights='';
+    options_occbin_.shock_decomp.variable_for_computing_weights_lower_bound='';
     options_occbin_.shock_decomp.TINIT = dates(); % date to initialize states for shock decomp
 %     options_occbin_.shock_decomp.use_shock_groups=options_.plot_shock_decomp.use_shock_groups;
 end