diff --git a/DynareBison.yy b/DynareBison.yy
index 481d8eb26b8cbd70ee47b88ab701ae208e1f7c19..dbf7ae6f27d7f47baa3c8b4cd434aad2956bb4f8 100644
--- a/DynareBison.yy
+++ b/DynareBison.yy
@@ -2481,6 +2481,7 @@ calib_smoother_option : o_filtered_vars
                       | o_prefilter
                       | o_loglinear
                       | o_first_obs
+                      | o_filter_decomposition
                       ;
 
 extended_path : EXTENDED_PATH ';'