diff --git a/gnu/packages/emacs.scm b/gnu/packages/emacs.scm
index b413658710..cf6ee9e270 100644
--- a/gnu/packages/emacs.scm
+++ b/gnu/packages/emacs.scm
@@ -702,8 +702,7 @@ (define (copy-to-dir dir files)
                           files))
 
               (with-directory-excursion "doc"
-                (unless (zero? (system* "makeinfo" "haskell-mode.texi"))
-                  (error "makeinfo failed"))
+                (invoke "makeinfo" "haskell-mode.texi")
                 (install-file "haskell-mode.info" info))
                (copy-to-dir doc '("CONTRIBUTING.md" "NEWS" "README.md"))
                (copy-to-dir el-dir (find-files "." "\\.elc?"))