diff --git a/container-check b/container-check
index 9720e8b..961e9fe 100755
--- a/container-check
+++ b/container-check
@@ -83,7 +83,8 @@ def populate_container_rpms_list(container):
     return (subproc.returncode, container, rpms)
 
 
-def yum_update_container(container, name, packages):
+def yum_update_container(args):
+    (container, name, packages) = args
 
     container_name = 'yum-update-%s' % name