diff --git a/auto_delete_nightly_test_data.py b/auto_delete_nightly_test_data.py
index 8f15654..4ec5b0f 100755
--- a/auto_delete_nightly_test_data.py
+++ b/auto_delete_nightly_test_data.py
@@ -199,7 +199,7 @@
     return 0
 
   return ce.ChrootRunCommand(
-      chromeos_chroot, abandon_cls_cmd, print_to_console=False)
+      chromeos_root, abandon_cls_cmd, print_to_console=False)
 
 
 def Main(argv):