1 files changed, 2 insertions, 4 deletions
diff --git a/classes/Logger.php b/classes/Logger.php
index 049b63d5e..05a117a0b 100644
--- a/classes/Logger.php
+++ b/classes/Logger.php
@@ -1,10 +1,8 @@
 <?php
 class Logger {
-	/** @var Logger|null */
-	private static $instance;
+	private static ?Logger $instance = null;
 
-	/** @var Logger_Adapter|null */
-	private $adapter;
+	private ?Logger_Adapter $adapter = null;
 
 	const LOG_DEST_SQL = "sql";
 	const LOG_DEST_STDOUT = "stdout";