diff --git a/piwik.php b/piwik.php
index b83292a63e71ef51362676e4fde2cc20a34f5473..539b0d40a611efebdd88612ebea47158b375f5b9 100644
--- a/piwik.php
+++ b/piwik.php
@@ -12,7 +12,7 @@ use Piwik\Common;
 use Piwik\Timer;
 use Piwik\Tracker;
 
-$GLOBALS['PIWIK_TRACKER_DEBUG'] = !false;
+$GLOBALS['PIWIK_TRACKER_DEBUG'] = false;
 $GLOBALS['PIWIK_TRACKER_DEBUG_FORCE_SCHEDULED_TASKS'] = false;
 define('PIWIK_ENABLE_TRACKING', true);