diff --git a/tests/ImageSharp.Tests/TestFile.cs b/tests/ImageSharp.Tests/TestFile.cs
index 4429e93da5..8a14a6be2e 100644
--- a/tests/ImageSharp.Tests/TestFile.cs
+++ b/tests/ImageSharp.Tests/TestFile.cs
@@ -34,7 +34,7 @@ namespace SixLabors.ImageSharp.Tests
         /// <summary>
         /// Used to ensure image loading is threadsafe.
         /// </summary>
-        private readonly object syncLock;
+        private readonly object syncLock = new();
 
         /// <summary>
         /// The image bytes