diff --git a/source/hassio/installation.markdown b/source/hassio/installation.markdown
index b29e39251d9..08a2744aede 100644
--- a/source/hassio/installation.markdown
+++ b/source/hassio/installation.markdown
@@ -30,6 +30,10 @@ Hass.io images are available for all available Raspberry Pi and Intel NUC platfo
 - You will be able to reach your installation at [http://hassio.local:8123][local].
 - Enable either the [Samba add-on][samba] or the [SSH add-on][ssh] to manage your configuration in `/config/` (From the UI choose **Hass.io** which is located in the sidebar).
 
+<p class='note'>
+If your router doesn't support mDNS then you'll have to use the IP address of your Pi, instead of `hassio.local`, for example `http://192.168.0.9:8123`. You should be able to find the IP address of your Pi from the admin interface of your router.
+</p>
+
 <p class='note'>
 Please remember to ensure you're using an [appropriate power supply](https://www.raspberrypi.org/help/faqs/#powerReqs) with your Pi. Mobile chargers may not be suitable since some are designed to only provide the full power with that manufacturer's handsets.
 </p>