diff --git a/guix/tests/git.scm b/guix/tests/git.scm
index e11541e83b..69960284d9 100644
--- a/guix/tests/git.scm
+++ b/guix/tests/git.scm
@@ -1,5 +1,5 @@
 ;;; GNU Guix --- Functional package management for GNU
-;;; Copyright © 2019, 2020 Ludovic Courtès <ludo@gnu.org>
+;;; Copyright © 2019, 2020, 2021 Ludovic Courtès <ludo@gnu.org>
 ;;; Copyright © 2021 Xinglu Chen <public@yoctocell.xyz>
 ;;;
 ;;; This file is part of GNU Guix.
@@ -90,6 +90,9 @@ (define (git command . args)
       ((('tag name) rest ...)
        (git "tag" name)
        (loop rest))
+      ((('tag name text) rest ...)
+       (git "tag" "-m" text name)
+       (loop rest))
       ((('branch name) rest ...)
        (git "branch" name)
        (loop rest))