diff --git a/direct/src/tkpanels/DirectSessionPanel.py b/direct/src/tkpanels/DirectSessionPanel.py
index fcfe0ddaee..a2d02f7dc4 100644
--- a/direct/src/tkpanels/DirectSessionPanel.py
+++ b/direct/src/tkpanels/DirectSessionPanel.py
@@ -3,6 +3,7 @@
 # Import Tkinter, Pmw, and the dial code
 from direct.showbase.TkGlobal import *
 from direct.tkwidgets.AppShell import *
+from pandac.PandaModules import *
 
 import string
 from direct.tkwidgets import Dial