diff --git a/devices/t21_lite_chinamobile-hdc-51-a5-v12/general/overlay/usr/share/openipc/customizer.sh b/devices/t21_lite_chinamobile-hdc-51-a5-v12/general/overlay/usr/share/openipc/customizer.sh
index ad23f01..5a87de9 100644
--- a/devices/t21_lite_chinamobile-hdc-51-a5-v12/general/overlay/usr/share/openipc/customizer.sh
+++ b/devices/t21_lite_chinamobile-hdc-51-a5-v12/general/overlay/usr/share/openipc/customizer.sh
@@ -5,7 +5,7 @@
 #
 # Set custom upgrade url
 #
-fw_setenv upgrade 'https://github.com/OpenIPC/builder/releases/download/latest/t31_lite_chinamobile-hdc-51-a5-v12-nor.tgz'
+fw_setenv upgrade 'https://github.com/OpenIPC/builder/releases/download/latest/t21_lite_chinamobile-hdc-51-a5-v12-nor.tgz'
 #
 #
 # Set custom majestic settings