diff --git a/gnu/packages/indent.scm b/gnu/packages/indent.scm
index 4950a26121e..3465d63c01c 100644
--- a/gnu/packages/indent.scm
+++ b/gnu/packages/indent.scm
@@ -1,6 +1,7 @@
 ;;; GNU Guix --- Functional package management for GNU
 ;;; Copyright © 2013 Andreas Enge <andreas@enge.fr>
 ;;; Copyright © 2014 Mark H Weaver <mhw@netris.org>
+;;; Copyright © 2018 Tobias Geerinckx-Rice <me@tobias.gr>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -36,15 +37,16 @@
                      "0f9655vqdvfwbxvs1gpa7py8k1z71aqh8hp73f65vazwbfz436wa"))))
    (build-system gnu-build-system)
    (arguments
-    `(#:phases (alist-cons-after
-                'unpack 'fix-docdir
-                (lambda _
-                  ;; Although indent uses a modern autoconf in which docdir
-                  ;; defaults to PREFIX/share/doc, the doc/Makefile.am
-                  ;; overrides this to be in PREFIX/doc.  Fix this.
-                  (substitute* "doc/Makefile.in"
-                    (("^docdir = .*$") "docdir = @docdir@\n")))
-                %standard-phases)))
+    `(#:phases
+      (modify-phases %standard-phases
+        (add-after 'unpack 'fix-docdir
+          (lambda _
+            ;; Although indent uses a modern autoconf in which docdir
+            ;; defaults to PREFIX/share/doc, the doc/Makefile.am
+            ;; overrides this to be in PREFIX/doc.  Fix this.
+            (substitute* "doc/Makefile.in"
+              (("^docdir = .*$") "docdir = @docdir@\n"))
+            #t)))))
    (synopsis "Code reformatter")
    (description
     "Indent is a program that makes source code easier to read by