diff --git a/docs/faq.rst b/docs/faq.rst
index 22c23c51..923f9755 100644
--- a/docs/faq.rst
+++ b/docs/faq.rst
@@ -267,7 +267,7 @@ correct syntax. The following file names will be taken as override configuration
 - `Dovecot`_ - ``dovecot.conf`` in dovecot sub-directory;
 - `Nginx`_ - All ``*.conf`` files in the ``nginx`` sub-directory;
 - `Rspamd`_ - All files in the ``rspamd`` sub-directory.
-- Roundcube - All ``*.inc`` files in the ``roundcube`` sub directory.
+- `Roundcube`_ - All ``*.inc.php`` files in the ``roundcube`` sub directory.
 
 To override the root location (``/``) in Nginx ``WEBROOT_REDIRECT`` needs to be set to ``none`` in the env file (see :ref:`web settings <web_settings>`).
 
@@ -354,10 +354,11 @@ How do I use webdav (radicale)?
 *issue reference:* `1591`_.
 
 
-.. _`Postfix`: http://www.postfix.org/postconf.5.html
-.. _`Dovecot`: https://doc.dovecot.org/configuration_manual/config_file/config_file_syntax/
-.. _`NGINX`:   https://nginx.org/en/docs/
-.. _`Rspamd`:  https://www.rspamd.com/doc/configuration/index.html
+.. _`Postfix`:   http://www.postfix.org/postconf.5.html
+.. _`Dovecot`:   https://doc.dovecot.org/configuration_manual/config_file/config_file_syntax/
+.. _`NGINX`:     https://nginx.org/en/docs/
+.. _`Rspamd`:    https://www.rspamd.com/doc/configuration/index.html
+.. _`Roundcube`: https://github.com/roundcube/roundcubemail/wiki/Configuration#customize-the-look
 
 .. _`Docker swarm howto`: https://github.com/Mailu/Mailu/tree/master/docs/swarm/master
 .. _`125`: https://github.com/Mailu/Mailu/issues/125
diff --git a/towncrier/newsfragments/2388.bugfix b/towncrier/newsfragments/2388.bugfix
new file mode 100644
index 00000000..aa815072
--- /dev/null
+++ b/towncrier/newsfragments/2388.bugfix
@@ -0,0 +1 @@
+Roundcube overrides now also include .inc.php files. Only .inc.php should be used moving forward.
diff --git a/webmails/roundcube/start.py b/webmails/roundcube/start.py
index bea31f4b..1ee1ed50 100755
--- a/webmails/roundcube/start.py
+++ b/webmails/roundcube/start.py
@@ -60,7 +60,7 @@ else:
 context["PLUGINS"] = ",".join(f"'{p}'" for p in plugins)
 
 # add overrides
-context["INCLUDES"] = sorted(inc for inc in os.listdir("/overrides") if inc.endswith(".inc")) if os.path.isdir("/overrides") else []
+context["INCLUDES"] = sorted(inc for inc in os.listdir("/overrides") if inc.endswith((".inc", ".inc.php"))) if os.path.isdir("/overrides") else []
 
 # calculate variables for config file
 context["SESSION_TIMEOUT_MINUTES"] = max(int(env.get("SESSION_TIMEOUT", "3600")) // 60, 1)