diff --git a/build_package.bat b/build_package.bat
index 15d9720d..f8aee675 100644
--- a/build_package.bat
+++ b/build_package.bat
@@ -1,3 +1,5 @@
+call git clean -f
+
 cd src
 msbuild olympus.sln /t:Rebuild /p:Configuration=Release
 cd ..