diff --git a/.gitignore b/.gitignore
index 4455c0a..e379f5c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 docker-compose.yml
 docker
 flarum.env
+test.sh
diff --git a/README.md b/README.md
index f6f1b58..19592a5 100644
--- a/README.md
+++ b/README.md
@@ -202,6 +202,16 @@ docker exec -ti flarum extension list
 
 File to change the vhost flarum `/etc/nginx/flarum/custom-vhost-flarum.conf`  
 To use file custom-vhost-flarum.conf add volume `/etc/nginx/flarum`
+Create file in `/mnt/docker/flarum/nginx/custom-vhost-flarum.conf`
+
+```nginx
+# Example of custom vhost flarum for nginx
+# fix nginx issue for fof/sitemap (https://github.com/FriendsOfFlarum/sitemap)
+
+location = /sitemap.xml {
+  try_files $uri $uri/ /index.php?$query_string;
+}
+```
 
 ### Custom composer repositories
 
diff --git a/rootfs/etc/nginx/nginx.conf b/rootfs/etc/nginx/nginx.conf
index 448c792..654b4c6 100644
--- a/rootfs/etc/nginx/nginx.conf
+++ b/rootfs/etc/nginx/nginx.conf
@@ -57,6 +57,8 @@ http {
       fastcgi_param REMOTE_ADDR $http_x_real_ip;
     }
 
-    include /etc/nginx/flarum/custom-vhost-flarum.conf;
+    if (-f /etc/nginx/flarum/custom-vhost-flarum.conf) {
+      include /etc/nginx/flarum/custom-vhost-flarum.conf;
+    }
   }
 }
diff --git a/rootfs/usr/local/bin/startup b/rootfs/usr/local/bin/startup
index ede0aae..7cffaab 100644
--- a/rootfs/usr/local/bin/startup
+++ b/rootfs/usr/local/bin/startup
@@ -65,15 +65,6 @@ if [ -f '/flarum/app/extensions/composer.repositories.txt' ]; then
   done < /flarum/app/extensions/composer.repositories.txt
 fi
 
-# Custom vhost flarum nginx
-if [ ! -e '/etc/nginx/flarum/custom-vhost-flarum.conf' ]; then
-  echo '# Example:
-# fix for flagrow/sitemap (https://github.com/flagrow/sitemap)
-# location = /sitemap.xml {
-#   try_files $uri $uri/ /index.php?$query_string;
-# }' > /etc/nginx/flarum/custom-vhost-flarum.conf
-fi
-
 # if installation was performed before
 if [ -e '/flarum/app/public/assets/rev-manifest.json' ] || [ -e '/flarum/app/public/assets/._flarum-installed.lock' ] ; then
   echo "[INFO] Flarum already installed, init app..."
@@ -127,8 +118,9 @@ else
          -e "s|<FLARUM_TITLE>|${FLARUM_TITLE}|g" /flarum/app/config.yml
 
   # Install flarum
-  su-exec "${UID}:${GID}" php /flarum/app/flarum install --file=/flarum/app/config.yml &&
-    touch /flarum/app/public/assets/._flarum-installed.lock
+  su-exec "${UID}:${GID}" php /flarum/app/flarum install --file=/flarum/app/config.yml \
+  && touch /flarum/app/public/assets/._flarum-installed.lock
+
   echo "[INFO] End of flarum installation"
 fi