diff --git a/gnu/packages/graphics.scm b/gnu/packages/graphics.scm
index 65f023a488..1b59ff3fc3 100644
--- a/gnu/packages/graphics.scm
+++ b/gnu/packages/graphics.scm
@@ -3,7 +3,7 @@
 ;;; Copyright © 2015 Tomáš Čech <sleep_walker@gnu.org>
 ;;; Copyright © 2016 Leo Famulari <leo@famulari.name>
 ;;; Copyright © 2016, 2017 Ricardo Wurmus <rekado@elephly.net>
-;;; Copyright © 2016 Efraim Flashner <efraim@flashner.co.il>
+;;; Copyright © 2016, 2018 Efraim Flashner <efraim@flashner.co.il>
 ;;; Copyright © 2016 Andreas Enge <andreas@enge.fr>
 ;;; Copyright © 2017 Manolis Fragkiskos Ragkousis <manolis837@gmail.com>
 ;;; Copyright © 2017, 2018 Ben Woodcroft <donttrustben@gmail.com>
@@ -373,13 +373,14 @@ storage of the \"EXR\" file format for storing 16-bit floating-point images.")
     (name "openimageio")
     (version "1.7.19")
     (source (origin
-              (method url-fetch)
-              (uri (string-append "https://github.com/OpenImageIO/oiio/"
-                                  "archive/Release-" version ".tar.gz"))
-              (file-name (string-append name "-" version ".tar.gz"))
+              (method git-fetch)
+              (uri (git-reference
+                    (url "https://github.com/OpenImageIO/oiio.git")
+                    (commit (string-append "Release-" version))))
+              (file-name (git-file-name name version))
               (sha256
                (base32
-                "1qlmfhvl2wva4aifyiq7c4sdy61ddl7wykwvlpfys9p701xghvj7"))))
+                "0yxxy43l3lllw7maqg42dlkgqms2d4772sxzxk7kmxg4lnhsvndc"))))
     (build-system cmake-build-system)
     ;; FIXME: To run all tests successfully, test image sets from multiple
     ;; third party sources have to be present.  For details see