diff --git a/acal/.htaccess b/acal/.htaccess
index b3970c1..dccfe3e 100644
--- a/acal/.htaccess
+++ b/acal/.htaccess
@@ -1,2 +1,9 @@
-# Use PHP5 as default
-AddHandler application/x-httpd-php5 .php
+#Use PHP5 Single php.ini as default
+AddHandler application/x-httpd-php5s .php
+
+#Custom error pages
+ErrorDocument 400 /errors/400.php
+ErrorDocument 401 /errors/401.php
+ErrorDocument 403 /errors/403.php
+ErrorDocument 404 /errors/404.php
+ErrorDocument 500 /errors/500.php