diff --git a/conda/clean-betas.py b/conda/clean-betas.py
index 799834dd8710cbb0258a126b391fb4f168c274ac..75a09e9f5e7aa547df32e7b04e9c8e8d26019e9c 100755
--- a/conda/clean-betas.py
+++ b/conda/clean-betas.py
@@ -36,7 +36,7 @@ def main(scandir, dry_run):
   for name in sorted(betas.keys()):
     print('\n==== packages for %s (%d) ====' % (name, len(betas[name])))
     sorted_packages = sorted(betas[name])
-    keep_version, keep_build, _, path = sorted_packages[-1]
+    keep_version, keep_build, _, _ = sorted_packages[-1]
     for version, build, mtime, path in sorted_packages:
       if version == keep_version and build == keep_build:
         print('[keep] %s (%u)' % (path, mtime))