diff --git a/scripts/backup b/scripts/backup
index b6e4bfb..a2c07cd 100644
--- a/scripts/backup
+++ b/scripts/backup
@@ -1,20 +1,24 @@
 #!/bin/bash
 
-# Exit on command errors and treat unset variables as an error
-set -eu
-
+#=================================================
+# GENERIC START
 #=================================================
 # IMPORT GENERIC HELPERS
 #=================================================
 
 if [ ! -e _common.sh ]; then
-	# Fetch helpers file if not in current directory
-	sudo cp ../settings/scripts/_common.sh ./_common.sh
-	sudo chmod a+rx _common.sh
+	# 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
 
+#=================================================
+# MANAGE SCRIPT FAILURE
+#=================================================
+
+# Exit if an error occurs during the execution of the script
 ynh_abort_if_errors
 
 #=================================================