diff --git a/DynareBison.yy b/DynareBison.yy
index bdf2d5272bc395ae423b6096c88dfdb880172f93..c4b700b7d7ad2a1786e5f10f38ec0c03f08616bf 100644
--- a/DynareBison.yy
+++ b/DynareBison.yy
@@ -99,7 +99,7 @@ class ParsingDriver;
 %token FILENAME FILTER_STEP_AHEAD FILTERED_VARS FIRST_OBS
 %token <string_val> FLOAT_NUMBER
 %token FORECAST K_ORDER_SOLVER INSTRUMENTS
-%token GAMMA_PDF GRAPH CONDITIONAL_VARIANCE_DECOMPOSITION
+%token GAMMA_PDF GRAPH CONDITIONAL_VARIANCE_DECOMPOSITION NOCHECK
 %token HISTVAL HOMOTOPY_SETUP HOMOTOPY_MODE HOMOTOPY_STEPS HP_FILTER HP_NGRID
 %token IDENTIFICATION INF_CONSTANT INITVAL INITVAL_FILE
 %token <string_val> INT_NUMBER
@@ -821,6 +821,7 @@ steady_options : o_solve_algo
                | o_homotopy_steps
                | o_markowitz
                | o_maxit
+               | o_nocheck
                ;
 
 check : CHECK ';'
@@ -1977,6 +1978,7 @@ o_max_dim_cova_group : MAX_DIM_COVA_GROUP EQUAL INT_NUMBER { driver.option_num("
 
 o_homotopy_mode : HOMOTOPY_MODE EQUAL INT_NUMBER {driver.option_num("homotopy_mode",$3); };
 o_homotopy_steps : HOMOTOPY_STEPS EQUAL INT_NUMBER {driver.option_num("homotopy_steps",$3); };
+o_nocheck : NOCHECK {driver.option_num("steadystate.nocheck","1"); };
 
 o_controlled_varexo : CONTROLLED_VAREXO EQUAL '(' symbol_list ')' { driver.option_symbol_list("controlled_varexo"); };
 o_parameter_set : PARAMETER_SET EQUAL PRIOR_MODE
diff --git a/DynareFlex.ll b/DynareFlex.ll
index 7a072926b94f4f0b2957a12b833e5dfe8e38baa2..0ec27c8197839b230b3da24671f2b9bab50c2879 100644
--- a/DynareFlex.ll
+++ b/DynareFlex.ll
@@ -381,6 +381,7 @@ string eofbuff;
 
 <DYNARE_STATEMENT>homotopy_mode {return token::HOMOTOPY_MODE; }
 <DYNARE_STATEMENT>homotopy_steps {return token::HOMOTOPY_STEPS; }
+<DYNARE_STATEMENT>nocheck {return token::NOCHECK; }
 
 <DYNARE_STATEMENT>controlled_varexo {return token::CONTROLLED_VAREXO; }
 <DYNARE_STATEMENT>parameter_set {return token::PARAMETER_SET; }