diff --git a/hangzig b/hangzig
index c2ead75..3fd7f97 100755
--- a/hangzig
+++ b/hangzig
@@ -6,6 +6,7 @@ readonly bzl=https://github.com/bazelbuild/bazelisk/releases/download/v1.9.0/baz
 set -x
 
 outside() {
+  git clean -ffxd --exclude bazel
   if [[ ! -x bazel ]]; then
     rm -f bazel
     curl -L "$bzl" -o bazel
@@ -23,7 +24,6 @@ inside() {
   exec ./bazel build -s --platforms @zig_sdk//:aarch64-macos-gnu //test:gognu
 }
 
-
 case "${1:-}" in
   "")
     outside;;