Index: branches/5.2.x/core/kernel/utility/logger.php
===================================================================
--- branches/5.2.x/core/kernel/utility/logger.php
+++ branches/5.2.x/core/kernel/utility/logger.php
@@ -785,7 +785,7 @@
 	public function delete($unique_id, $storage_medium = self::LS_AUTOMATIC)
 	{
 		if ( $storage_medium == self::LS_AUTOMATIC ) {
-			$storage_medium = $this->Conn->connectionOpened ? self::LS_DATABASE : self::LS_DISK;
+			$storage_medium = $this->Conn->connectionOpened() ? self::LS_DATABASE : self::LS_DISK;
 		}
 
 		if ( $storage_medium == self::LS_DATABASE ) {