diff --git a/win-build-qt.bat b/win-build-qt.bat
index e4939aa..c1a2dbf 100644
--- a/win-build-qt.bat
+++ b/win-build-qt.bat
@@ -181,6 +181,9 @@ IF EXIST "%_BUILD_BAT%" DEL /F /Q "%_BUILD_BAT%"
     @ECHO REM SET "_OPENSSL_DIR="
     @ECHO REM SET "PATH=%%_ICU_DIR%%\bin;%%_OPENSSL_DIR%%\bin;%%PATH%%"
     @ECHO CD /D "%_ROOT%"
+    @ECHO IF EXIST build RD /S /Q build
+    @ECHO MD build
+    @ECHO CD build
     @ECHO CALL "%_CFG_BAT%" %_CFG_PARAMS%
     @ECHO REM CALL "%_CFG_BAT%" %_CFG_PARAMS% -icu -I "%%_ICU_DIR%%\include" -L "%%_ICU_DIR%%\lib" -openssl-linked -I "%%_OPENSSL_DIR%%\include" -L "%%_OPENSSL_DIR%%\lib"
     @ECHO IF %%ERRORLEVEL%% NEQ 0 GOTO ErrHappen