diff --git a/gnu/packages/gnupg.scm b/gnu/packages/gnupg.scm
index 555f400630..4f3bf9aeec 100644
--- a/gnu/packages/gnupg.scm
+++ b/gnu/packages/gnupg.scm
@@ -355,7 +355,8 @@ (define-public gnupg-1
          (add-after 'unpack 'patch-check-sh
            (lambda _
              (substitute* "checks/Makefile.in"
-               (("/bin/sh") (which "sh"))))))))))
+               (("/bin/sh") (which "sh")))
+             #t)))))))
 
 (define-public gpgme
   (package