diff --git a/test/lisp/vc/vc-git-tests.el b/test/lisp/vc/vc-git-tests.el
index eca7baaa88e..cdca3591f4e 100644
--- a/test/lisp/vc/vc-git-tests.el
+++ b/test/lisp/vc/vc-git-tests.el
@@ -96,7 +96,7 @@ allow `git commit' to determine identities for authors and committers."
   (declare (indent 1))
   `(ert-with-temp-directory ,name
      (let ((default-directory ,name)
-           (process-environment (append '("EMAIL=john@doe.ee"
+           (process-environment (append '("EMAIL=john.doe@example.com"
                                           "GIT_AUTHOR_NAME=A"
                                           "GIT_COMMITTER_NAME=C")
                                         process-environment)))
diff --git a/test/lisp/vc/vc-tests/vc-tests.el b/test/lisp/vc/vc-tests/vc-tests.el
index 6f6d7a161b5..151efbec4e6 100644
--- a/test/lisp/vc/vc-tests/vc-tests.el
+++ b/test/lisp/vc/vc-tests/vc-tests.el
@@ -604,7 +604,7 @@ This checks also `vc-backend' and `vc-responsible-backend'."
      ;; Eg if the user account has no GECOS, git commit can fail with
      ;; status 128 "fatal: empty ident name".
      (when (memq ,backend '(Bzr Git))
-       (push "EMAIL=john@doe.ee" process-environment))
+       (push "EMAIL=joh.doe@example.com" process-environment))
      (when (eq ,backend 'Git)
        (setq process-environment (append '("GIT_AUTHOR_NAME=A"
                                            "GIT_COMMITTER_NAME=C")