diff --git a/unraid/sealskin.xml b/unraid/sealskin.xml
index c77b335..4bcc45a 100644
--- a/unraid/sealskin.xml
+++ b/unraid/sealskin.xml
@@ -30,6 +30,7 @@
     <Config Name="Appdata" Target="/config" Default="" Mode="rw" Description="All configuration files and metadata for the application." Type="Path" Display="advanced" Required="true" Mask="false"/>
     <Config Name="Path: /storage" Target="/storage" Default="" Mode="rw" Description="All file storage for home directories and ephemeral mounts." Type="Path" Display="always" Required="true" Mask="false"/>
     <Config Name="Path: /var/run/docker.sock" Target="/var/run/docker.sock" Default="" Mode="rw" Description="Docker socket, required to spin up application containers." Type="Path" Display="always" Required="true" Mask="false"/>
+    <Config Name="HOST_URL" Target="HOST_URL" Default="IP|subdomain.doman.com" Description="On initial setup this will be used to fill in the default admin configuration file in the `/config` directory, if unset the string HOST_URL will need to be replaced." Type="Variable" Display="always" Required="false" Mask="false"/>
     <Config Name="PUID" Target="PUID" Default="99" Description="Container Variable: PUID" Type="Variable" Display="advanced" Required="true" Mask="false"/>
     <Config Name="PGID" Target="PGID" Default="100" Description="Container Variable: PGID" Type="Variable" Display="advanced" Required="true" Mask="false"/>
     <Config Name="UMASK" Target="UMASK" Default="022" Description="Container Variable: UMASK" Type="Variable" Display="advanced" Required="false" Mask="false"/>