diff --git a/product/CMFActivity/ActivityTool.py b/product/CMFActivity/ActivityTool.py
index c02be6f28b98ea32e4cb063df6b22374a65af68a..83529531f601c53ac14dc60e713a869556e4c5a1 100644
--- a/product/CMFActivity/ActivityTool.py
+++ b/product/CMFActivity/ActivityTool.py
@@ -583,7 +583,7 @@ class ActivityTool (Folder, UniqueObject):
     distributingNode = ''
     _nodes = ()
     activity_creation_trace = False
-    activity_tracking = True
+    activity_tracking = False
     activity_timing_log = False
     cancel_and_invoke_links_hidden = False