diff --git a/gnu/packages/backup.scm b/gnu/packages/backup.scm
index 15b1eb17c7..c145a2f756 100644
--- a/gnu/packages/backup.scm
+++ b/gnu/packages/backup.scm
@@ -6,7 +6,7 @@
 ;;; Copyright © 2017 Thomas Danckaert <post@thomasdanckaert.be>
 ;;; Copyright © 2017 Arun Isaac <arunisaac@systemreboot.net>
 ;;; Copyright © 2017 Kei Kebreau <kkebreau@posteo.net>
-;;; Copyright © 2017 Efraim Flashner <efraim@flashner.co.il>
+;;; Copyright © 2017, 2020 Efraim Flashner <efraim@flashner.co.il>
 ;;; Copyright © 2017 Christopher Allan Webber <cwebber@dustycloud.org>
 ;;; Copyright © 2017 Rutger Helling <rhelling@mykolab.com>
 ;;; Copyright © 2018 Mark H Weaver <mhw@netris.org>
@@ -392,7 +392,7 @@ list and implement the backup strategy.")
      `(("librsync" ,librsync-0.9)))
     (arguments
      `(#:make-flags `(,(string-append "PREFIX=" (assoc-ref %outputs "out"))
-                      "CC=gcc")
+                      ,(string-append "CC=" ,(cc-for-target)))
        #:tests? #f                      ;test input not distributed
        #:phases
        ;; no configure phase