diff --git a/source/components/switch.rpi_gpio.markdown b/source/components/switch.rpi_gpio.markdown
index 76a5bbbde98..207f4a4b691 100644
--- a/source/components/switch.rpi_gpio.markdown
+++ b/source/components/switch.rpi_gpio.markdown
@@ -24,3 +24,7 @@ switch:
 ```
 
 For more details about the GPIO layout, visit the Wikipedia [article](https://en.wikipedia.org/wiki/Raspberry_Pi#GPIO_connector) about the Raspberry Pi.
+
+<p class='note warning'>
+As this requires access to the GPIO, you will need to run Home Assistant as root.
+</p>