fix wrong function call
diff --git a/buildkite/bazelci.py b/buildkite/bazelci.py
index 16a5b46..063db5f 100644
--- a/buildkite/bazelci.py
+++ b/buildkite/bazelci.py
@@ -276,7 +276,7 @@
   finally:
     if tmpdir:
       shutil.rmtree(tmpdir)
-    execute_shell_commands(cleanup_commands)
+    execute_shell_commands(cleanup_commands(platform))
     if exit_code > -1:
       exit(exit_code)