diff --git a/scripts/.fonctions b/scripts/.fonctions
index 4dda5a1..5268a86 100644
--- a/scripts/.fonctions
+++ b/scripts/.fonctions
@@ -202,3 +202,15 @@ BACKUP_BEFORE_UPGRADE () {	# Backup the current version of the app, restore it i
 		ynh_die "Backup failed, the upgrade process was aborted."
 	fi
 }
+
+
+# Exit if an error occurs during the execution of the script.
+#
+# Stop immediatly the execution if an error occured or if a empty variable is used.
+# The execution of the script is derivate to ynh_exit_properly function before exit.
+#
+# Usage: ynh_abort_if_errors
+ynh_abort_if_errors () {
+	set -eu	# Exit if a command fail, and if a variable is used unset.
+	trap ynh_exit_properly EXIT	# Capturing exit signals on shell script
+}