diff --git a/lottery-co-uk-scraper/EuroMillions/DrawBalls.cs b/lottery-co-uk-scraper/EuroMillions/DrawBalls.cs
index f94502f..9cbc176 100644
--- a/lottery-co-uk-scraper/EuroMillions/DrawBalls.cs
+++ b/lottery-co-uk-scraper/EuroMillions/DrawBalls.cs
@@ -8,7 +8,7 @@ namespace lottery_co_uk_scraper.EuroMillions
 {
     internal class DrawBalls
     {
-        private static readonly ILogger<DrawBalls> _logger;
+        private static readonly ILogger<DrawBalls>? _logger;
 
         private static HtmlNode GetNodeById(HtmlNode containerNode, string nodeId)
         {