diff --git a/iopupgrade/Makefile b/iopupgrade/Makefile
index 3cf064ba8..a58f6b5dc 100644
--- a/iopupgrade/Makefile
+++ b/iopupgrade/Makefile
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2006-2010 OpenWrt.org
+# Copyright (C) 2019 iopsys
 #
 # This is free software, licensed under the GNU General Public License v2.
 # See /LICENSE for more information.
@@ -20,6 +20,9 @@ PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION)-$(PKG_RELEASE)-$(PKG_SOURCE_VERSION).tar.
 PKG_SOURCE_SUBDIR:=$(PKG_NAME)-$(PKG_VERSION)
 PKG_BUILD_DIR:=$(BUILD_DIR)/$(PKG_NAME)-$(PKG_VERSION)
 
+PKG_LICENSE:=GPLv2
+PKG_LICENSE_FILES:=LICENSE
+
 # support parallel build
 PKG_BUILD_PARALLEL:=1