diff --git a/clone/clone b/clone/clone
index 995403f..05eb98d 100755
--- a/clone/clone
+++ b/clone/clone
@@ -168,6 +168,7 @@ step5(){
 	echo "        - /etc/group";
 	cat ./utility/group_append | sudo tee -a /mnt/etc/group > /dev/null;
 	cat ./utility/group_append | sudo tee -a /mnt/etc/group- > /dev/null;
+	sudo cat /mnt/etc/group    | sed 's/(gpio:x:997:pi)/$1,sats/' | sudo tee /mnt/etc/group > /dev/null;
 
 	echo "<<< done":
 
diff --git a/clone/utility/group_append b/clone/utility/group_append
index 5e41fcf..9eac47f 100644
--- a/clone/utility/group_append
+++ b/clone/utility/group_append
@@ -1,2 +1,2 @@
 ssh-key:x:555:pi,sats
-sats:x:666:sats,gpio
+sats:x:666:sats
diff --git a/clone/utility/sats-boot b/clone/utility/sats-boot
index 186890a..232edc3 100644
--- a/clone/utility/sats-boot
+++ b/clone/utility/sats-boot
@@ -44,8 +44,11 @@ if [ -e /home/pi/first_boot ]; then
 
 	# (3) Clone SPI python library #
 	sudo git clone https://github.com/lthiery/SPI-Py.git /home/pi/spi-lib;
-	sudo python /home/pi/spi-lib/setup.py build;
-	sudo python /home/pi/spi-lib/setup.py install;
+
+	# (4) Install SPI python library #
+	cd /home/pi/spi-lib;
+	sudo python setup.py build;
+	sudo python setup.py install;
 
 	# (4) Reboot to activate SPI #
 	sudo reboot;