diff --git a/ci.py b/ci.py
index b60d48d..e738002 100644
--- a/ci.py
+++ b/ci.py
@@ -81,7 +81,10 @@ def add_configuration(board : str):
     add_configuration(port)
 
 os.chdir(BASE_DIR)
-shutil.copytree("./out", "./_site/out")
+out_dir = "./_site/out"
+if os.path.exists(out_dir):
+    shutil.rmtree(out_dir)
+shutil.copytree("./out", out_dir)
 
 with open("./_site/OTA.json", "w") as f:
     json.dump({"Configurations": configurations}, f)