diff --git a/mex/build/octave/Makefile.am b/mex/build/octave/Makefile.am
index ae7899d6c..9747e4c9e 100644
--- a/mex/build/octave/Makefile.am
+++ b/mex/build/octave/Makefile.am
@@ -4,7 +4,7 @@ SUBDIRS = mjdgges kronecker bytecode block_kalman_filter sobol perfect_foresight
 
 # libdynare++ must come before gensylv and k_order_perturbation
 if ENABLE_MEX_DYNAREPLUSPLUS
-SUBDIRS += libdynare++ gensylv libkorder k_order_perturbation k_order_welfare local_state_space_iterations libkordersim folded_to_unfolded_dr local_state_space_iteration_fortran k_order_simul
+SUBDIRS += libdynare++ gensylv libkorder k_order_perturbation k_order_welfare local_state_space_iterations libkordersim folded_to_unfolded_dr local_state_space_iteration_fortran k_order_simul k_order_mean
 endif
 
 if ENABLE_MEX_MS_SBVAR
diff --git a/mex/build/octave/configure.ac b/mex/build/octave/configure.ac
index 0133f623c..4cf729b67 100644
--- a/mex/build/octave/configure.ac
+++ b/mex/build/octave/configure.ac
@@ -165,6 +165,7 @@ AC_CONFIG_FILES([Makefile
                  folded_to_unfolded_dr/Makefile
                  local_state_space_iteration_fortran/Makefile 
                  k_order_simul/Makefile
+                 k_order_mean/Makefile
                  perfect_foresight_problem/Makefile
                  num_procs/Makefile
                  block_trust_region/Makefile
diff --git a/mex/build/octave/k_order_mean/Makefile.am b/mex/build/octave/k_order_mean/Makefile.am
new file mode 100644
index 000000000..5905c67ce
--- /dev/null
+++ b/mex/build/octave/k_order_mean/Makefile.am
@@ -0,0 +1,3 @@
+EXEEXT = .mex
+include ../mex.am
+include ../../k_order_mean.am