diff --git a/scripts/upgrade b/scripts/upgrade
index 2416c8a..b9fd19b 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -55,6 +55,8 @@ if [ -z "$db_pwd" ]; then
 	db_pwd=$(ynh_app_setting_get $app psqlpwd) # Password created in ynh_psql_setup_db function
 
 	need_migration_from_sqlite_to_psql=1
+else
+	need_migration_from_sqlite_to_psql=0
 fi
 
 if [ -z "$max_file_size" ]; then