diff --git a/gnu/packages/graphics.scm b/gnu/packages/graphics.scm
index 88bb500450..caaf6c660b 100644
--- a/gnu/packages/graphics.scm
+++ b/gnu/packages/graphics.scm
@@ -7,7 +7,7 @@
 ;;; Copyright © 2016 Andreas Enge <andreas@enge.fr>
 ;;; Copyright © 2017 Manolis Fragkiskos Ragkousis <manolis837@gmail.com>
 ;;; Copyright © 2017, 2018 Ben Woodcroft <donttrustben@gmail.com>
-;;; Copyright © 2017, 2018 Tobias Geerinckx-Rice <me@tobias.gr>
+;;; Copyright © 2017, 2018, 2019 Tobias Geerinckx-Rice <me@tobias.gr>
 ;;; Copyright © 2018 Mathieu Othacehe <m.othacehe@gmail.com>
 ;;; Copyright © 2018 Alex Kost <alezost@gmail.com>
 ;;; Copyright © 2018 Kei Kebreau <kkebreau@posteo.net>
@@ -79,6 +79,7 @@
   #:use-module (guix build-system python)
   #:use-module (guix download)
   #:use-module (guix git-download)
+  #:use-module (guix hg-download)
   #:use-module ((guix licenses) #:prefix license:)
   #:use-module (guix packages)
   #:use-module (guix utils))
@@ -1106,47 +1107,52 @@ or by subtracting one shape from the other.")
       (license license:gpl2))))
 
 (define-public coin3D
-  (package
-    (name "coin3D")
-    (version "4.0.0")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append
-             "https://bitbucket.org/Coin3D/coin/downloads/coin-"
-             version "-src.zip"))
-       (sha256
-        (base32
-         "1mqwlqzvc9ydfxi0bfskwlil16mbnkphfz36p0zl2mvw6h05aqh0"))
-       (modules '((guix build utils)))
-       (snippet
-        '(begin
-           (for-each delete-file
-                     '("cfg/csubst.exe"
-                       "cfg/wrapmsvc.exe"))
-           #t))))
-    (build-system cmake-build-system)
-    (native-inputs
-     `(("doxygen" ,doxygen)
-       ("graphviz" ,graphviz)))
-    (inputs
-     `(("boost" ,boost)
-       ("freeglut" ,freeglut)
-       ("glew" ,glew)))
-    (arguments
-     `(#:configure-flags
-       (list
-        "-DCOIN_BUILD_DOCUMENTATION_MAN=ON"
-        (string-append "-DBOOST_ROOT="
-                       (assoc-ref %build-inputs "boost")))))
-    (home-page "https://bitbucket.org/Coin3D/coin/wiki/Home")
-    (synopsis
-     "High-level 3D visualization library with Open Inventor 2.1 API")
-    (description
-     "Coin is a 3D graphics library with an Application Programming Interface
+  ;; The ‘4.0.0’ zip archive isn't stable, nor in fact a release.  See:
+  ;; https://bitbucket.org/Coin3D/coin/issues/179/coin-400-srczip-has-been-modified
+  (let ((revision 1)
+        (changeset "ab8d0e47a4de3230a8137feb39c142d6ba45f97d"))
+    (package
+      (name "coin3D")
+      (version
+       (simple-format #f "3.1.3-~A-~A" revision (string-take changeset 7)))
+      (source
+       (origin
+         (method hg-fetch)
+         (uri (hg-reference
+               (url "https://bitbucket.org/Coin3D/coin")
+               (changeset changeset)))
+         (file-name (git-file-name name version))
+         (sha256
+          (base32 "1ff44jz6lg4rylljvy69n1hcjh9y6achbv9jpn1cv2sf8cxn3r2j"))
+         (modules '((guix build utils)))
+         (snippet
+          '(begin
+             (for-each delete-file
+                       '("cfg/csubst.exe"
+                         "cfg/wrapmsvc.exe"))
+             #t))))
+      (build-system cmake-build-system)
+      (native-inputs
+       `(("doxygen" ,doxygen)
+         ("graphviz" ,graphviz)))
+      (inputs
+       `(("boost" ,boost)
+         ("freeglut" ,freeglut)
+         ("glew" ,glew)))
+      (arguments
+       `(#:configure-flags
+         (list
+          "-DCOIN_BUILD_DOCUMENTATION_MAN=ON"
+          (string-append "-DBOOST_ROOT="
+                         (assoc-ref %build-inputs "boost")))))
+      (home-page "https://bitbucket.org/Coin3D/coin/wiki/Home")
+      (synopsis
+       "High-level 3D visualization library with Open Inventor 2.1 API")
+      (description
+       "Coin is a 3D graphics library with an Application Programming Interface
 based on the Open Inventor 2.1 API.  For those who are not familiar with
 Open Inventor, it is a scene-graph based retain-mode rendering and model
 interaction library, written in C++, which has become the de facto
 standard graphics library for 3D visualization and visual simulation
 software in the scientific and engineering community.")
-    (license license:bsd-3)))
+      (license license:bsd-3))))