diff --git a/env/windows/test_buildlet.bash b/env/windows/test_buildlet.bash
index af79a3f..f816d3b 100755
--- a/env/windows/test_buildlet.bash
+++ b/env/windows/test_buildlet.bash
@@ -18,7 +18,8 @@
 (
   TEMPDIR=`mktemp -d `
   cd $TEMPDIR
-  git clone //go.googlesource.com/go
+  git clone https://go.googlesource.com/go
+  echo "devel.dummy_to_avoid_git_usage" > go/VERSION
   tar zcf - ./go > go.tar.gz
   gomote puttar "$BUILDLET" go.tar.gz
   rm -rf go go.tar.gz