diff --git a/.htaccess b/.htaccess
index 98eec8fe4a2..442a5bd95f5 100644
--- a/.htaccess
+++ b/.htaccess
@@ -12,6 +12,9 @@
 Options -Indexes
 Options FollowSymLinks
 
+# Customized server error messages:
+ErrorDocument 404 /index.php
+
 # Set the default handler to index.php:
 DirectoryIndex index.php