diff --git a/en_US/howto/2-sign.dkim.signature.for.new.domain.md b/en_US/howto/2-sign.dkim.signature.for.new.domain.md
index 005db455..f63f1aa7 100644
--- a/en_US/howto/2-sign.dkim.signature.for.new.domain.md
+++ b/en_US/howto/2-sign.dkim.signature.for.new.domain.md
@@ -66,7 +66,7 @@ tutorial to [add DKIM DNS record](setup.dns.html#dkim-record-for-your-mail-domai
 
 ```shell
 amavisd-new genrsa /var/lib/dkim/new_domain.com.pem 1024
-chown amavisd:amavisd /var/lib/dkim/new_domain.com.pem
+chown amavis:amavis /var/lib/dkim/new_domain.com.pem
 chmod 0400 /var/lib/dkim/new_domain.com.pem
 ```
 
diff --git a/html/sign.dkim.signature.for.new.domain.html b/html/sign.dkim.signature.for.new.domain.html
index a5c77c19..06820783 100644
--- a/html/sign.dkim.signature.for.new.domain.html
+++ b/html/sign.dkim.signature.for.new.domain.html
@@ -90,7 +90,7 @@ tutorial to <a href="setup.dns.html#dkim-record-for-your-mail-domain-name">add D
 </li>
 </ul>
 <pre><code class="shell">amavisd-new genrsa /var/lib/dkim/new_domain.com.pem 1024
-chown amavisd:amavisd /var/lib/dkim/new_domain.com.pem
+chown amavis:amavis /var/lib/dkim/new_domain.com.pem
 chmod 0400 /var/lib/dkim/new_domain.com.pem
 </code></pre>