diff --git a/clone/utility/sats-install b/clone/utility/sats-install
index 29949bf..6d8f86a 100644
--- a/clone/utility/sats-install
+++ b/clone/utility/sats-install
@@ -13,12 +13,17 @@ slog(){
 	echo "$1" | plog;
 }
 
+failexit(){
+	slog " > failed";
+	exit 127;
+}
+
 
 # [1] Start ssh service
 slog " * 1. Starting ssh service";
 sudo systemctl start ssh \
 	&& slog " > done" \
-	|| ( slog " > failed" && exit 127 );
+	|| failexit;
 
 # [2] Notify boot (first or normal) #
 echo;
@@ -32,7 +37,7 @@ RANDOM_PASS=$(tr -cd A-Za-z0-9_ < /dev/urandom | head -c 256);
 echo -ne "$RANDOM_PASS\n$RANDOM_PASS\n" | sudo passwd sats;
 test $? -eq 0 \
 	&& slog " > done" \
-	|| ( slog " > failed" && exit 127 );
+	|| failexit;
 
 # [4] Set random passwords for 'pi' itself
 echo " * 3. Changing pi password" | plog;
@@ -40,7 +45,7 @@ RANDOM_PASS=$(tr -cd A-Za-z0-9_ < /dev/urandom | head -c 256);
 echo -ne "$RANDOM_PASS\n$RANDOM_PASS\n" | sudo passwd pi;
 test $? -eq 0 \
 	&& slog " > done" \
-	|| ( slog " > failed" && exit 127 );
+	|| failexit;
 
 
 
@@ -54,7 +59,7 @@ if [ ! -e /target/sync ]; then
 	slog " * 4. Checking connectivity";
 	test $(systemctl is-active network-online.target) = "active" \
 		&& slog " > done" \
-		|| ( slog " > failed" && exit 127 );
+		|| failexit;
 
 
 	# [1] Installation
@@ -64,13 +69,13 @@ if [ ! -e /target/sync ]; then
 	sudo apt-get update;
 	test $? -eq 0 \
 		&& slog " > done" \
-		|| ( slog " > failed" && exit 127 );
+		|| failexit;
 
 	slog " * 6. Installing necessary packages";
 	sudo apt-get -y install git php5 php5-cli php5-curl python-dev;
 	test $? -eq 0 \
 		&& slog " > done" \
-		|| ( slog " > failed" && exit 127 );
+		|| failexit;
 
 
 	BRANCH=$(sudo cat /home/sats/satsd/conf/machine.branch) > /dev/null;
@@ -80,31 +85,31 @@ if [ ! -e /target/sync ]; then
 	sudo -u sats git clone -b $BRANCH ssh://smmp-server/satsd/git /home/sats/satsd/source;
 	test $? -eq 0 \
 		&& slog " > done" \
-		|| ( slog " > failed" && exit 127 );
+		|| failexit;
 
 
 
 	# (2) Enable SPI device #
 	echo " * 8. Enabling spi device";
 	echo "dtparam=spi=on"        | sudo tee -a /boot/config.txt > /dev/null \
-		|| ( slog " > failed" && exit 127 );
+		|| failexit;
 	echo "dtoverlay=spi-bcm2708" | sudo tee -a /boot/config.txt > /dev/null \
-		|| ( slog " > failed" && exit 127 );
+		|| failexit;
 	slog " > done";
 
 	# (3) Clone SPI python library #
 	slog " * 9. Cloning 'SPI-Py' lib";
 	git clone https://github.com/lthiery/SPI-Py.git /home/pi/spi-lib \
 		&& slog " > done" \
-		|| ( slog " > failed" && exit 127 );
+		|| failexit;
 
 	# (4) Install SPI python library #
 	slog " * 10. Installing 'SPI-Py' lib into the system";
 	cd /home/pi/spi-lib;
 	sudo python setup.py build \
-		|| ( slog " > failed" && exit 127 );
+		|| failexit;
 	sudo python setup.py install \
-		|| ( slog " > failed" && exit 127 );
+		|| failexit;
 	slog " > done";
 
 
@@ -120,12 +125,12 @@ if [ ! -e /target/sync ]; then
 	slog " * 11. Synchronizing the SATS with SMMP's server";
 	test "$(sudo -u sats $SOURCE_DIR/lib/api/sync)" = "0" \
 		&& slog " > done" \
-		||  ( slog " > failed" && exit 127 );
+		||  failexit;
 
 	slog " * 12. Creating target file 'sync'";
 	sudo -u sats touch /target/sync \
 		&& slog " > done" \
-		|| ( slog " > failed" && exit 127 );
+		|| failexit;
 
 
 	# (3) Reboot to activate SPI #