diff --git a/direct/src/showbase/JobManager.py b/direct/src/showbase/JobManager.py
index 609d6f09c4..68bcbd0e32 100755
--- a/direct/src/showbase/JobManager.py
+++ b/direct/src/showbase/JobManager.py
@@ -1,4 +1,4 @@
-from panda3d.core import ConfigVariableBool, ConfigVariableDouble
+from panda3d.core import ConfigVariableBool, ConfigVariableDouble, ClockObject
 from direct.directnotify.DirectNotifyGlobal import directNotify
 from direct.task.TaskManagerGlobal import taskMgr
 from direct.showbase.Job import Job