diff --git a/matlab/dynare_m.exe b/matlab/dynare_m.exe
index 698ef49df..cf81eeebe 100755
Binary files a/matlab/dynare_m.exe and b/matlab/dynare_m.exe differ
diff --git a/preprocessor/ComputingTasks.cc b/preprocessor/ComputingTasks.cc
index e92d5a28e..ddd707183 100644
--- a/preprocessor/ComputingTasks.cc
+++ b/preprocessor/ComputingTasks.cc
@@ -256,8 +256,8 @@ DynareSensitivityStatement::DynareSensitivityStatement(const OptionsList &option
 void
 DynareSensitivityStatement::writeOutput(ostream &output, const string &basename) const
 {
-  options_list.writeOutput(output);
-  output << "dynare_sensitivity;" << endl;
+  options_list.writeOutput(output,"options_gsa");
+  output << "dynare_sensitivity(options_gsa);" << endl;
 }
 
 RplotStatement::RplotStatement(const TmpSymbolTable &tmp_symbol_table_arg,
diff --git a/preprocessor/Statement.cc b/preprocessor/Statement.cc
index 735f21c3f..2297e6142 100644
--- a/preprocessor/Statement.cc
+++ b/preprocessor/Statement.cc
@@ -73,6 +73,29 @@ OptionsList::writeOutput(ostream &output) const
     it->second->writeOutput("options_."+it->first,output);
 }
 
+void
+OptionsList::writeOutput(ostream &output, const string &option_group) const
+{
+  output << option_group << " = struct();" << endl;
+
+  for(num_options_type::const_iterator it = num_options.begin();
+      it != num_options.end(); it++)
+    output << option_group << "." << it->first << " = " << it->second << ";" << endl;
+
+  for(paired_num_options_type::const_iterator it = paired_num_options.begin();
+      it != paired_num_options.end(); it++)
+    output << option_group << "." << it->first << " = [" << it->second.first << "; "
+           << it->second.second << "];" << endl;
+
+  for(string_options_type::const_iterator it = string_options.begin();
+      it != string_options.end(); it++)
+    output << option_group << "." << it->first << " = '" << it->second << "';" << endl;
+
+  for(string_list_options_type::const_iterator it = string_list_options.begin();
+      it != string_list_options.end(); it++)
+    it->second->writeOutput(option_group+"."+it->first,output);
+}
+
 void
 OptionsList::clear()
 {
diff --git a/preprocessor/include/Statement.hh b/preprocessor/include/Statement.hh
index 4379066db..a05733c7d 100644
--- a/preprocessor/include/Statement.hh
+++ b/preprocessor/include/Statement.hh
@@ -78,6 +78,7 @@ public:
   string_options_type string_options;
   string_list_options_type string_list_options;
   void writeOutput(ostream &output) const;
+  void writeOutput(ostream &output, const string &option_group) const;
   void clear();
 };