diff --git a/doc/dynare.texi b/doc/dynare.texi
index 388a7167c..456df1121 100644
--- a/doc/dynare.texi
+++ b/doc/dynare.texi
@@ -7485,6 +7485,15 @@ To set IRF restrictions with specific intervals, the following syntax is used
 When @code{(@var{INTEGER}:@var{INTEGER})} is used, the restriction is considered to be fulfilled by a logical OR.
 A list of restrictions must always be fulfilled with logical AND.
 
+@optionshead
+
+@table @code
+
+@item relative_irf
+@xref{relative_irf}.
+
+@end table
+
 @examplehead
 
 @example
diff --git a/preprocessor/DynareBison.yy b/preprocessor/DynareBison.yy
index cc8524a81..f60ffa7a6 100644
--- a/preprocessor/DynareBison.yy
+++ b/preprocessor/DynareBison.yy
@@ -2524,6 +2524,8 @@ moment_calibration_item : symbol COMMA symbol COMMA calibration_range ';'
 
 irf_calibration : IRF_CALIBRATION ';' irf_calibration_list END ';'
                   { driver.end_irf_calibration(); }
+                | IRF_CALIBRATION '(' o_relative_irf ')' ';' irf_calibration_list END ';'
+                  { driver.end_irf_calibration(); }
                 ;
 
 irf_calibration_list : irf_calibration_item
diff --git a/preprocessor/DynareFlex.ll b/preprocessor/DynareFlex.ll
index a1b92b1e2..1445c44db 100644
--- a/preprocessor/DynareFlex.ll
+++ b/preprocessor/DynareFlex.ll
@@ -303,7 +303,7 @@ DATE -?[0-9]+([YyAa]|[Mm]([1-9]|1[0-2])|[Qq][1-4]|[Ww]([1-9]{1}|[1-4][0-9]|5[0-2
 <DYNARE_STATEMENT>posterior_max_subsample_draws	{return token::POSTERIOR_MAX_SUBSAMPLE_DRAWS;}
 <DYNARE_STATEMENT>filtered_vars	{return token::FILTERED_VARS;}
 <DYNARE_STATEMENT>filter_step_ahead	{return token::FILTER_STEP_AHEAD;}
-<DYNARE_STATEMENT>relative_irf 	{return token::RELATIVE_IRF;}
+<DYNARE_STATEMENT,DYNARE_BLOCK>relative_irf {return token::RELATIVE_IRF;}
 <DYNARE_STATEMENT>tex		{return token::TEX;}
 <DYNARE_STATEMENT>nomoments	{return token::NOMOMENTS;}
 <DYNARE_STATEMENT>std		{return token::STD;}
diff --git a/preprocessor/ParsingDriver.cc b/preprocessor/ParsingDriver.cc
index 26d0dc616..1880c1276 100644
--- a/preprocessor/ParsingDriver.cc
+++ b/preprocessor/ParsingDriver.cc
@@ -2763,7 +2763,8 @@ ParsingDriver::add_irf_calibration_item(string *endo, string *periods, string *e
 void ParsingDriver::end_irf_calibration()
 {
   mod_file->addStatement(new IrfCalibration(irf_calibration_constraints,
-                                            mod_file->symbol_table));
+                                            mod_file->symbol_table,
+                                            options_list));
   irf_calibration_constraints.clear();
 }
 
diff --git a/preprocessor/Shocks.cc b/preprocessor/Shocks.cc
index b2ebd79ed..85ace03e6 100644
--- a/preprocessor/Shocks.cc
+++ b/preprocessor/Shocks.cc
@@ -436,14 +436,17 @@ MomentCalibration::writeOutput(ostream &output, const string &basename, bool min
 }
 
 IrfCalibration::IrfCalibration(const constraints_t &constraints_arg,
-                               const SymbolTable &symbol_table_arg)
-  : constraints(constraints_arg), symbol_table(symbol_table_arg)
+                               const SymbolTable &symbol_table_arg,
+                               const OptionsList &options_list_arg)
+  : constraints(constraints_arg), symbol_table(symbol_table_arg), options_list(options_list_arg)
 {
 }
 
 void
 IrfCalibration::writeOutput(ostream &output, const string &basename, bool minimal_workspace) const
 {
+  options_list.writeOutput(output);
+
   output << "options_.endogenous_prior_restrictions.irf = {" << endl;
   for (size_t i = 0; i < constraints.size(); i++)
     {
diff --git a/preprocessor/Shocks.hh b/preprocessor/Shocks.hh
index 155ef967c..a78a154bf 100644
--- a/preprocessor/Shocks.hh
+++ b/preprocessor/Shocks.hh
@@ -133,9 +133,11 @@ public:
 private:
   constraints_t constraints;
   const SymbolTable &symbol_table;
+  const OptionsList options_list;
 public:
   IrfCalibration(const constraints_t &constraints_arg,
-                 const SymbolTable &symbol_table_arg);
+                 const SymbolTable &symbol_table_arg,
+                 const OptionsList &options_list_arg);
   virtual void writeOutput(ostream &output, const string &basename, bool minimal_workspace) const;
 };
 
diff --git a/tests/gsa/ls2003a.mod b/tests/gsa/ls2003a.mod
index 19d5f88ba..0bca629a7 100644
--- a/tests/gsa/ls2003a.mod
+++ b/tests/gsa/ls2003a.mod
@@ -69,8 +69,7 @@ stderr e_pies,inv_gamma_pdf,(1.88/3),(0.9827/10);
 end;
 
 // endogenous prior restrictions
-options_.relative_irf=1;
-irf_calibration;
+irf_calibration(relative_irf);
 y(1:4), e_ys, [ -50 50]; //[first year response]
 //y(1:4), e_ys, [-inf -50]; //[first year response]
 @#for ilag in 21:40