diff --git a/src/DynareBison.yy b/src/DynareBison.yy
index 410195d0918d1d49043aca91c22bb77dc7ec1bdb..96fec1ae1be9866886357b15c7c4eced79c2cc90 100644
--- a/src/DynareBison.yy
+++ b/src/DynareBison.yy
@@ -2929,8 +2929,10 @@ calib_smoother_option : o_filtered_vars
                       | o_filter_step_ahead
                       | o_datafile
                       | o_prefilter
+                      | o_kalman_algo
                       | o_loglinear
                       | o_first_obs
+                      | o_filter_covariance
                       | o_filter_decomposition
                       | o_diffuse_kalman_tol
                       | o_diffuse_filter