diff --git a/BlazorSize/Resize/ResizeListener.cs b/BlazorSize/Resize/ResizeListener.cs
index d49369a..7c6b0b4 100644
--- a/BlazorSize/Resize/ResizeListener.cs
+++ b/BlazorSize/Resize/ResizeListener.cs
@@ -15,7 +15,7 @@ public class ResizeListener : IDisposable, IResizeListener
 
         public ResizeListener(IJSRuntime jsRuntime, IOptions<ResizeOptions> options = null)
         {
-            this.options = options.Value ?? new ResizeOptions();
+            this.options = options?.Value ?? new ResizeOptions();
             this.jsRuntime = jsRuntime;
         }