diff --git a/data/helpers.d/utils b/data/helpers.d/utils
index b280c3b21..43dabfcd4 100644
--- a/data/helpers.d/utils
+++ b/data/helpers.d/utils
@@ -48,7 +48,7 @@ ynh_restore_upgradebackup () {
 			# Remove the application then restore it
 			sudo yunohost app remove $app
 			# Restore the backup
-			sudo yunohost backup restore $app_bck-pre-upgrade$backup_number --apps $app --force
+			sudo yunohost backup restore $app_bck-pre-upgrade$backup_number --apps $app --force --debug
 			ynh_die "The app was restored to the way it was before the failed upgrade."
 		fi
 	else
@@ -87,7 +87,7 @@ ynh_backup_before_upgrade () {
 		fi
 
 		# Create backup
-		sudo BACKUP_CORE_ONLY=1 yunohost backup create --apps $app --name $app_bck-pre-upgrade$backup_number
+		sudo BACKUP_CORE_ONLY=1 yunohost backup create --apps $app --name $app_bck-pre-upgrade$backup_number --debug
 		if [ "$?" -eq 0 ]
 		then
 			# If the backup succeeded, remove the previous backup