diff --git a/scripts/upgrade b/scripts/upgrade
index fc4d97e..4bef799 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -32,7 +32,7 @@ if [ "$upgrade_type" == "UPGRADE_APP" ]
 then
 	ynh_script_progression --message="Upgrading source files..." --weight=5
 
-	ynh_setup_source --dest_dir=$install_dir --keep="$app.conf"
+	ynh_setup_source --dest_dir=$install_dir --full_replace=1 --keep="$app.conf"
 fi
 
 chmod -R o-rwx "$install_dir"