diff --git a/clean_build_windows.bat b/clean_build_windows.bat
index 647316b5..577eacb8 100644
--- a/clean_build_windows.bat
+++ b/clean_build_windows.bat
@@ -55,3 +55,4 @@ set B_QT_ROOT=
 set B_BONJOUR=
 
 cd /d %savedir%
+set savedir=
\ No newline at end of file