diff --git a/direct/src/showbase/UsePgraph.py b/direct/src/showbase/UsePgraph.py
index 45b87480c3..1590b2edf3 100644
--- a/direct/src/showbase/UsePgraph.py
+++ b/direct/src/showbase/UsePgraph.py
@@ -1,5 +1,6 @@
 # Set this to 1 to use the experimental pgraph code.  This must be set
 # at genPyCode time as well as at run time.
 
-use = 1
+use = 0
+