diff --git a/gnu/packages/patches/bigloo-gc-shebangs.patch b/gnu/packages/patches/bigloo-gc-shebangs.patch
index 9ead2ba979..367708610a 100644
--- a/gnu/packages/patches/bigloo-gc-shebangs.patch
+++ b/gnu/packages/patches/bigloo-gc-shebangs.patch
@@ -1,7 +1,7 @@
 Patch shebangs in source that gets unpacked by `configure'.
 
---- bigloo4.0b/gc/install-gc-7.3alpha3-20130330	2013-08-19 10:45:20.000000000 +0200
-+++ bigloo4.0b/gc/install-gc-7.3alpha3-20130330	2013-08-19 10:46:36.000000000 +0200
+--- bigloo4.1a/gc/install-gc-7.4.0	2014-02-04 14:55:03.000000000 +0100
++++ bigloo4.1a/gc/install-gc-7.4.0	2014-02-04 14:55:36.000000000 +0100
 @@ -29,10 +29,12 @@ fi
  
  # untar the two versions of the GC
diff --git a/gnu/packages/scheme.scm b/gnu/packages/scheme.scm
index 4dcd46305d..3d9e3b54dc 100644
--- a/gnu/packages/scheme.scm
+++ b/gnu/packages/scheme.scm
@@ -1,5 +1,5 @@
 ;;; GNU Guix --- Functional package management for GNU
-;;; Copyright © 2013 Ludovic Courtès <ludo@gnu.org>
+;;; Copyright © 2013, 2014 Ludovic Courtès <ludo@gnu.org>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -116,14 +116,14 @@ features an integrated Emacs-like editor and a large runtime library.")
 (define-public bigloo
   (package
     (name "bigloo")
-    (version "4.0b")
+    (version "4.1a")
     (source (origin
              (method url-fetch)
              (uri (string-append "ftp://ftp-sop.inria.fr/indes/fp/Bigloo/bigloo"
                                  version ".tar.gz"))
              (sha256
               (base32
-               "1fck2h48f0bvh8fl437cagmp0syfxy9lqacy1zwsis20fc76jvzi"))
+               "170q7nh08n4v20xl81fxb0xcdxphqqacfa643hsa8i2ar6pki04c"))
              (patches (list (search-patch "bigloo-gc-shebangs.patch")))))
     (build-system gnu-build-system)
     (arguments
@@ -163,6 +163,9 @@ features an integrated Emacs-like editor and a large runtime library.")
                      (zero?
                       (system* "./configure"
                                (string-append "--prefix=" out)
+                               ;; FIXME: Currently fails, see
+                               ;; <http://article.gmane.org/gmane.lisp.scheme.bigloo/6126>.
+                               ;; "--customgc=no" ; use our libgc
                                (string-append"--mv=" (which "mv"))
                                (string-append "--rm=" (which "rm"))))))
                  (alist-cons-after