diff --git a/pi/setup-pip.sh b/pi/setup-pip.sh
index b5ec850..2ad2c5c 100755
--- a/pi/setup-pip.sh
+++ b/pi/setup-pip.sh
@@ -1,5 +1,9 @@
 #! /usr/bin/env bash
 
-curl https://bootstrap.pypa.io/get-pip.py -o get-pip.py
-sudo python get-pip.py
+if [[ -z "$(which pip2)" ]]
+then
+	curl https://bootstrap.pypa.io/get-pip.py -o get-pip.py
+	sudo python get-pip.py
+fi
 sudo apt-get install python-gpiozero
+sudo pip install pycryptodomex