diff --git a/Devterm-CM3-ubuntu-server-image.md b/Devterm-CM3-ubuntu-server-image.md
index b235171..be4feeb 100644
--- a/Devterm-CM3-ubuntu-server-image.md
+++ b/Devterm-CM3-ubuntu-server-image.md
@@ -67,6 +67,9 @@ EOF'
 
 `sudo cp -f /lib/firmware/brcm/brcmfmac43456-sdio.raspberrypi,400.txt /lib/firmware/brcm/brcmfmac43456-sdio.txt`
 
+`sudo apt install wiringpi`
+`sudo ln -s /lib/arm-linux-gnueabihf/libwiringPi.so.2 /lib/arm-linux-gnueabihf/libwiringPi.so`
+
 ### Outside chroot
 
 dd img to sd card