diff --git a/lighttpd/rlgallery.conf b/lighttpd/rlgallery.conf
index cd8b2dd..f2ab66c 100644
--- a/lighttpd/rlgallery.conf
+++ b/lighttpd/rlgallery.conf
@@ -5,6 +5,8 @@
 server.bind = "0.0.0.0"
 $SERVER["socket"] == "[::]:80" {  }
 
+server.document-root := server_root + "/lighttpd"
+
 # Ensure index.cgi is in the list
 index-file.names += (
   "index.xhtml", "index.html", "index.htm", "index.cgi"
@@ -25,7 +27,7 @@ $HTTP["host"] =~ "^(.*)$" {
 static-file.exclude-extensions += ( ".cgi", ".py" )
 
 # Use the custom 404 error page
-server.error-handler-404 = "404.html"
+server.error-handler-404 = "/404.html"
 
 # Set a UTF-8 environment, or Python 3 won't work
 setenv.add-environment = (