diff --git a/src/xenialdan/apibossbar/PacketListener.php b/src/xenialdan/apibossbar/PacketListener.php
index c913ddf..97ddd0a 100644
--- a/src/xenialdan/apibossbar/PacketListener.php
+++ b/src/xenialdan/apibossbar/PacketListener.php
@@ -11,7 +11,7 @@
 
 class PacketListener implements Listener
 {
-	private static ?Plugin $registrant;
+	private static ?Plugin $registrant = null;
 
 	public static function isRegistered(): bool
 	{