diff --git a/lib/private/mail/mailer.php b/lib/private/Mail/Mailer.php
similarity index 100%
rename from lib/private/mail/mailer.php
rename to lib/private/Mail/Mailer.php
diff --git a/lib/private/mail/message.php b/lib/private/Mail/Message.php
similarity index 100%
rename from lib/private/mail/message.php
rename to lib/private/Mail/Message.php