diff --git a/nginx.conf b/nginx.conf
index a6ef302..285d832 100644
--- a/nginx.conf
+++ b/nginx.conf
@@ -10,6 +10,7 @@ http {
 	sendfile           on;
 	gzip               on;
 	gzip_vary on;
+	# Some things are gzipped on the fly, but tweets.txt.gz is kept gzipped on disk to save disk space
 	gzip_types application/x-javascript text/css application/javascript application/json;
 
 	server {
@@ -17,24 +18,24 @@ http {
 		server_name greptweet.com;
 		root /srv/http;
 		charset utf-8;
-		access_log /srv/http/u/greptweet.access.log;
-		error_log /srv/http/u/greptweet.error.log;
+		access_log /var/log/nginx/greptweet.access.log;
+		error_log /var/log/nginx/greptweet.error.log;
 		error_page 403 =303 /404.php;
-		error_page 404 /404.php;
+		error_page 404 = /404.php;
 
 		location / {
 			index index.php index.html;
 			rewrite ^/f/(.*)$ /create.php?id=$1 last;
 		}
 
-                location ~ \.(gz)$ {
-                        add_header  Content-Encoding  gzip;
-                        gzip off;
-                }
+		location ~ \.(gz)$ {
+			add_header  Content-Encoding  gzip;
+			gzip off;
+		}
 
-                location ~ \.(txt)$ {
-                        rewrite ^/u/(.*)/ /u/$1/$1.txt.gz last;
-                }
+		location ~ \.(txt)$ {
+			rewrite ^/u/(.*)/ /u/$1/$1.txt.gz last;
+		}
 
 		location ~* \.(svg|css|js)$ {
 			expires 7d;
diff --git a/www/404.php b/www/404.php
index 20f8caa..d01f533 100644
--- a/www/404.php
+++ b/www/404.php
@@ -2,8 +2,9 @@
 if (preg_match('#^/u/#', $_SERVER["REQUEST_URI"])) {
 $username = basename($_SERVER["REQUEST_URI"]);
 	if ((!empty($username)) && (strlen($username < 16)) && preg_match('/^[A-Za-z0-9_]+$/', $username)) {
-	header("Location:http://" . $_SERVER["HTTP_HOST"] . "/f/" . $username);
-	die();
+		header("HTTP/1.1 303 See Other");
+		header("Location:http://" . $_SERVER["HTTP_HOST"] . "/f/" . strtolower($username));
+		die();
 	}
 }
 ?>