diff --git a/ci/nur/combine.py b/ci/nur/combine.py
index 68fbaa904..15ecbac32 100644
--- a/ci/nur/combine.py
+++ b/ci/nur/combine.py
@@ -50,7 +50,7 @@ def commit_repo(repo: Repo, message: str, path: Path) -> Repo:
     assert tmp is not None
 
     try:
-        shutil.copytree(repo_source(repo.name), tmp.name, symlinks=True)
+        shutil.copytree(repo_source(repo.name), tmp.name, symlinks=True, dirs_exist_ok=True)
         shutil.rmtree(repo_path, ignore_errors=True)
         os.rename(tmp.name, repo_path)
         tmp = None