diff --git a/scripts/backup b/scripts/backup
index d7e94db..aa60d39 100755
--- a/scripts/backup
+++ b/scripts/backup
@@ -15,7 +15,6 @@ source /usr/share/yunohost/helpers
 #=================================================
 
 ynh_clean_setup () {
-	### Remove this function if there's nothing to clean before calling the remove script.
 	true
 }
 # Exit if an error occurs during the execution of the script
diff --git a/scripts/install b/scripts/install
index 7c25a2c..483956d 100755
--- a/scripts/install
+++ b/scripts/install
@@ -14,7 +14,7 @@ source /usr/share/yunohost/helpers
 #=================================================
 
 ynh_clean_setup () {
-	true
+	ynh_clean_check_starting
 }
 # Exit if an error occurs during the execution of the script
 ynh_abort_if_errors
diff --git a/scripts/restore b/scripts/restore
index 43912ca..d8dc82c 100755
--- a/scripts/restore
+++ b/scripts/restore
@@ -15,7 +15,7 @@ source /usr/share/yunohost/helpers
 #=================================================
 
 ynh_clean_setup () {
-	true
+	ynh_clean_check_starting
 }
 # Exit if an error occurs during the execution of the script
 ynh_abort_if_errors
diff --git a/scripts/upgrade b/scripts/upgrade
index b01dc73..76e98fe 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -39,6 +39,7 @@ ynh_script_progression --message="Backing up the app before upgrading (may take
 # Backup the current version of the app
 ynh_backup_before_upgrade
 ynh_clean_setup () {
+	ynh_clean_check_starting
 	# Restore it if the upgrade fails
 	ynh_restore_upgradebackup
 }