diff --git a/Makefile.am b/Makefile.am
index d4916fb..b31d934 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -3,7 +3,11 @@
 bin_SCRIPTS = bin/cuirass bin/evaluate
 noinst_SCRIPTS = pre-inst-env
 
-pkgmoduledir=$(datarootdir)/guile/site/2.0/$(PACKAGE)
+guilesitedir=$(datarootdir)/guile/site/2.0
+dist_guilesite_DATA = src/cuirass.scm
+nodist_guilesite_DATA = $(dist_guilesite_DATA:%.scm=%.go)
+
+pkgmoduledir=$(guilesitedir)/$(PACKAGE)
 dist_pkgmodule_DATA = \
   src/cuirass/base.scm \
   src/cuirass/database.scm \
@@ -89,6 +93,7 @@ EXTRA_DIST = \
 
 DISTCLEANFILES = src/cuirass/config.scm
 CLEANFILES = \
+  $(nodist_guilesite_DATA) \
   $(dist_pkgmodule_DATA:%.scm=%.go) \
   src/cuirass/config.go
 
diff --git a/bin/cuirass.in b/bin/cuirass.in
index ff2cc90..0d34636 100644
--- a/bin/cuirass.in
+++ b/bin/cuirass.in
@@ -20,8 +20,7 @@ exec ${GUILE:-@GUILE@} --no-auto-compile -e main -s "$0" "$@"
 ;;; You should have received a copy of the GNU General Public License
 ;;; along with Cuirass.  If not, see <http://www.gnu.org/licenses/>.
 
-(use-modules (cuirass base)
-             (cuirass database)
+(use-modules (cuirass)
              (cuirass ui)
              (cuirass utils)
              (ice-9 getopt-long))
diff --git a/bin/evaluate.in b/bin/evaluate.in
index 239bdcc..f0542ce 100644
--- a/bin/evaluate.in
+++ b/bin/evaluate.in
@@ -23,8 +23,7 @@ exec ${GUILE:-@GUILE@} --no-auto-compile -e main -s "$0" "$@"
 ;;; You should have received a copy of the GNU General Public License
 ;;; along with Cuirass.  If not, see <http://www.gnu.org/licenses/>.
 
-(use-modules (cuirass base)
-             (cuirass database)
+(use-modules (cuirass)
              (cuirass utils)
              (ice-9 match)
              (ice-9 pretty-print)
diff --git a/src/cuirass.scm b/src/cuirass.scm
new file mode 100644
index 0000000..35bea44
--- /dev/null
+++ b/src/cuirass.scm
@@ -0,0 +1,33 @@
+;;;; cuirass.scm -- Cuirass public interface.
+;;; Copyright © 2016 Mathieu Lirzin <mthl@gnu.org>
+;;;
+;;; This file is part of Cuirass.
+;;;
+;;; Cuirass is free software: you can redistribute it and/or modify
+;;; it under the terms of the GNU General Public License as published by
+;;; the Free Software Foundation, either version 3 of the License, or
+;;; (at your option) any later version.
+;;;
+;;; Cuirass is distributed in the hope that it will be useful,
+;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
+;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+;;; GNU General Public License for more details.
+;;;
+;;; You should have received a copy of the GNU General Public License
+;;; along with Cuirass.  If not, see <http://www.gnu.org/licenses/>.
+
+;;;; Commentary:
+;;;
+;;; This composite module re-exports everything from the public submodules.
+;;;
+;;;; Code:
+
+(define-module (cuirass))
+
+;;; Module usages and exports need to be done at expansion time.
+(eval-when (eval load expand)
+  (let ((i (module-public-interface (current-module))))
+    (for-each (λ (m) (module-use! i (resolve-interface m)))
+              ;; Public modules.
+              '((cuirass base)
+                (cuirass database)))))