diff --git a/mex/build/matlab/Makefile.am b/mex/build/matlab/Makefile.am
index 9db6a87f1..c8ce397af 100644
--- a/mex/build/matlab/Makefile.am
+++ b/mex/build/matlab/Makefile.am
@@ -2,7 +2,7 @@ ACLOCAL_AMFLAGS = -I ../../../m4
 
 # libdynare++ must come before gensylv, k_order_perturbation, dynare_simul_
 if DO_SOMETHING
-SUBDIRS = mjdgges kronecker bytecode libdynare++ gensylv k_order_perturbation dynare_simul_ estimation
+SUBDIRS = mjdgges kronecker bytecode libdynare++ gensylv k_order_perturbation dynare_simul_ estimation block_kalman_filter
 
 if HAVE_GSL
 SUBDIRS += ms_sbvar
diff --git a/mex/build/matlab/configure.ac b/mex/build/matlab/configure.ac
index fb1e40610..f090e3477 100644
--- a/mex/build/matlab/configure.ac
+++ b/mex/build/matlab/configure.ac
@@ -142,6 +142,7 @@ AC_CONFIG_FILES([Makefile
                  estimation/Makefile
                  libslicot/Makefile
                  kalman_steady_state/Makefile
-                 ms_sbvar/Makefile])
+                 ms_sbvar/Makefile
+                 block_kalman_filter/Makefile])
 
 AC_OUTPUT
diff --git a/mex/build/octave/Makefile.am b/mex/build/octave/Makefile.am
index a9f42b7f7..7e00fb1f1 100644
--- a/mex/build/octave/Makefile.am
+++ b/mex/build/octave/Makefile.am
@@ -2,7 +2,7 @@ ACLOCAL_AMFLAGS = -I ../../../m4
 
 # libdynare++ must come before gensylv, k_order_perturbation, dynare_simul_
 if DO_SOMETHING
-SUBDIRS = mjdgges kronecker bytecode libdynare++ gensylv k_order_perturbation dynare_simul_ qzcomplex ordschur
+SUBDIRS = mjdgges kronecker bytecode libdynare++ gensylv k_order_perturbation dynare_simul_ qzcomplex ordschur block_kalman_filter
 
 if HAVE_GSL
 SUBDIRS += ms_sbvar
diff --git a/mex/build/octave/configure.ac b/mex/build/octave/configure.ac
index d4c068f39..ae7427b35 100644
--- a/mex/build/octave/configure.ac
+++ b/mex/build/octave/configure.ac
@@ -129,6 +129,7 @@ AC_CONFIG_FILES([Makefile
                  ordschur/Makefile
                  libslicot/Makefile
                  kalman_steady_state/Makefile
-                 ms_sbvar/Makefile])
+                 ms_sbvar/Makefile
+                 block_kalman_filter/Makefile])
 
 AC_OUTPUT
diff --git a/mex/sources/Makefile.am b/mex/sources/Makefile.am
index b501f4f5b..d1db250c2 100644
--- a/mex/sources/Makefile.am
+++ b/mex/sources/Makefile.am
@@ -12,7 +12,8 @@ EXTRA_DIST = \
 	ordschur \
 	libslicot \
 	kalman_steady_state \
-	ms-sbvar
+	ms-sbvar \
+	block_kalman_filter
 
 clean-local:
 	rm -rf `find mex/sources -name *.o`