diff --git a/scripts/upgrade b/scripts/upgrade
index 96211e8..6218d09 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -20,7 +20,7 @@ upgrade_type=$(ynh_check_app_version_changed)
 #=================================================
 ynh_script_progression --message="Upgrading source files..." --weight=1
 
-ynh_setup_source --dest_dir="$install_dir" --keep="inc/digiwords.db"
+ynh_setup_source --dest_dir="$install_dir" --full_replace=1 --keep="inc/digiwords.db"
 
 chmod -R o-rwx "$install_dir"
 chown -R "$app:www-data" "$install_dir"