diff --git a/gnu/home/services.scm b/gnu/home/services.scm
index 692354c644e..b003c3006b3 100644
--- a/gnu/home/services.scm
+++ b/gnu/home/services.scm
@@ -1,7 +1,7 @@
 ;;; GNU Guix --- Functional package management for GNU
 ;;; Copyright © 2021 Andrew Tropin <andrew@trop.in>
 ;;; Copyright © 2021 Xinglu Chen <public@yoctocell.xyz>
-;;; Copyright © 2022 Ludovic Courtès <ludo@gnu.org>
+;;; Copyright © 2022-2023 Ludovic Courtès <ludo@gnu.org>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -204,7 +204,7 @@ ensures variable values are properly quoted."
            (shell-single-quote
             (lambda (value)
               ;; Single-quote VALUE to enter a literal string.
-              (string-append "'" (quote-string value '(#\' #\\))
+              (string-append "'" (quote-string value '(#\'))
                              "'"))))
       (string-append
        #$@(map (match-lambda