diff --git a/System/Pool/Connection.php b/System/Pool/Connection.php
index d4607cb3..ae768a89 100644
--- a/System/Pool/Connection.php
+++ b/System/Pool/Connection.php
@@ -57,6 +57,7 @@ class Connection extends Pool
 			$this->pop($channel, $name, $retain_number);
 		}
 		if ($retain_number == 0) {
+			$this->debug('release Timer::tick');
 			Timer::clear($this->creates);
 			$this->creates = 0;
 		}