diff --git a/Lib/threading.py b/Lib/threading.py
index 78135f9b539..730da675e54 100644
--- a/Lib/threading.py
+++ b/Lib/threading.py
@@ -26,7 +26,7 @@
 
 # Debug support (adapted from ihooks.py)
 
-_VERBOSE = 0 # XXX Bool or int?
+_VERBOSE = False
 
 if __debug__: