diff --git a/module/mes/scm.mes b/module/mes/scm.mes
index 56906640..e04e982c 100644
--- a/module/mes/scm.mes
+++ b/module/mes/scm.mes
@@ -183,6 +183,11 @@
 (define (delq x lst)
   (filter (lambda (e) (not (eq? e x))) lst))
 
+(define (compose proc . rest)
+  (if (null? rest) proc
+      (lambda args
+        (proc (apply (apply compose rest) args)))))
+
 
 ;; Vector
 (define (vector . rest) (list->vector rest))
diff --git a/tests/scm.test b/tests/scm.test
index 2f444255..904c4b10 100755
--- a/tests/scm.test
+++ b/tests/scm.test
@@ -9,7 +9,7 @@ exit $?
 ;;; -*-scheme-*-
 
 ;;; Mes --- Maxwell Equations of Software
-;;; Copyright © 2016 Jan Nieuwenhuizen <janneke@gnu.org>
+;;; Copyright © 2016,2017 Jan Nieuwenhuizen <janneke@gnu.org>
 ;;;
 ;;; This file is part of Mes.
 ;;;
@@ -136,4 +136,6 @@ exit $?
 (pass-if "char-alphabetic?" (seq? (char-alphabetic? #\a) #t))
 (pass-if "char-alphabetic? 2" (seq? (char-alphabetic? #\[) #f))
 
+(pass-if-equal "compose" 1 ((compose car cdr car) '((0 1 2))))
+
 (result 'report)