diff --git a/manifest.json b/manifest.json
index 04132f4..ccfe9bd 100644
--- a/manifest.json
+++ b/manifest.json
@@ -10,7 +10,7 @@
 	},
 	"version": "2.16.0",
 	"url": "https://weblate.org",
-	"license": "GNU GPL-3, or any later version.",
+	"license": "AGPL-3.0",
 	"maintainer": {
 		"name": "Jean-Baptiste Holcroft",
 		"email": "jean-baptiste@holcroft.fr"
diff --git a/scripts/_common.sh b/scripts/_common.sh
index 88b232f..4384a8a 100644
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -10,7 +10,7 @@ ynh_psql_test_if_first_run() {
 		systemctl start postgresql
                 su --command="psql -c\"ALTER user postgres WITH PASSWORD '${pgsql}'\"" postgres
 		# we can't use peer since YunoHost create users with nologin
-		sed -i '/local\s*all\s*all\s*peer/i
+		sed -i '/local\s*all\s*all\s*peer/i \
 		local all all password' /etc/postgresql/9.4/main/pg_hba.conf
 		systemctl enable postgresql
 		systemctl reload postgresql
diff --git a/scripts/backup b/scripts/backup
index 4a235ff..3c52289 100755
--- a/scripts/backup
+++ b/scripts/backup
@@ -6,8 +6,7 @@
 # MANAGE SCRIPT FAILURE
 #=================================================
 
-# Exit on command errors and treat access to unset variables as an error
-set -eu
+ynh_abort_if_errors
 
 #=================================================
 # IMPORT GENERIC HELPERS
diff --git a/scripts/install b/scripts/install
index 6264ff3..11ac7b8 100755
--- a/scripts/install
+++ b/scripts/install
@@ -116,6 +116,9 @@ chsh --shell /bin/bash "$app"
 #=================================================
 
 arch=$(dpkg --print-architecture)
+# Rasberry Pi: Debian armhf (ARM hard float) refers to the ARMv7
+[[ $arch = "armhf" ]] && arch="arm"
+
 version="hub-linux-${arch}-2.3.0-pre10"
 file_bin="hub-linux-${arch}-2.3.0-pre10.tgz"
 wget --quiet "https://github.com/github/hub/releases/download/v2.3.0-pre10/${file_bin}"
diff --git a/scripts/restore b/scripts/restore
index f0909a6..0ab61e6 100755
--- a/scripts/restore
+++ b/scripts/restore
@@ -6,18 +6,12 @@
 # MANAGE SCRIPT FAILURE
 #=================================================
 
-# Exit on command errors and treat access to unset variables as an error
-set -eu
+ynh_abort_if_errors
 
 #=================================================
 # IMPORT GENERIC HELPERS
 #=================================================
 
-if [ ! -e _common.sh ]; then
-	# Get the _common.sh file if it's not in the current directory
-	cp ../settings/scripts/_common.sh ./_common.sh
-	chmod a+rx _common.sh
-fi
 source _common.sh
 source /usr/share/yunohost/helpers
 
diff --git a/scripts/upgrade b/scripts/upgrade
index 72ec4db..fe18bff 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -5,10 +5,11 @@
 #=================================================
 # IMPORT GENERIC HELPERS
 #=================================================
-set -eu
 source _common.sh
 source /usr/share/yunohost/helpers
 
+ynh_abort_if_errors
+
 #=================================================
 # LOAD SETTINGS
 #=================================================