diff --git a/.htaccess b/.htaccess
index 5cbd1e8..3b89f24 100644
--- a/.htaccess
+++ b/.htaccess
@@ -10,6 +10,9 @@
 	Deny from all
 </Files>
 
+ErrorDocument 404 /assets/error-404.html
+ErrorDocument 500 /assets/error-500.html
+
 <IfModule mod_rewrite.c>
 	RewriteEngine On
 	RewriteCond %{REQUEST_URI} ^(.*)$
diff --git a/install.php b/install.php
index 654aca0..f92650d 100644
--- a/install.php
+++ b/install.php
@@ -1119,6 +1119,9 @@ HTML;
 	Deny from all
 </Files>
 
+ErrorDocument 404 /assets/error-404.html
+ErrorDocument 500 /assets/error-500.html
+
 <IfModule mod_rewrite.c>
 	RewriteEngine On
 	$baseClause