diff --git a/build_rel.bat b/build_rel.bat
index add125e..96594d2 100644
--- a/build_rel.bat
+++ b/build_rel.bat
@@ -1,8 +1,6 @@
 @echo off
 set CURDIR=%~dp0
-set time0=%time: =0%
-set hour=%time0:~0,2%
-set appbuildtime=%date:~0,4%%date:~5,2%%date:~8,2%%hour%%time:~3,2%%time:~6,2%
+for /f %%i in ('powershell -NoProfile -Command "Get-Date -Format yyyyMMddHHmmss"') do set appbuildtime=%%i
 set appbuildrev=NULL
 set appbuildmodel=EG800AKCN_11LG
 set appbuildver=beta1