diff --git a/user/plugins/seans-qrcode/plugin.php b/user/plugins/seans-qrcode/plugin.php
index 6a94ed9..ab43d50 100644
--- a/user/plugins/seans-qrcode/plugin.php
+++ b/user/plugins/seans-qrcode/plugin.php
@@ -37,8 +37,8 @@
 
 class LogoOptions extends QROptions{
 	// size in QR modules, multiply with QROptions::$scale for pixel size
-	protected ?int $logoSpaceWidth;
-	protected ?int $logoSpaceHeight;
+	protected ?int $logoSpaceWidth = null;
+	protected ?int $logoSpaceHeight = null;
 }
 
 // Kick in if the loader does not recognize a valid pattern