diff --git a/src/libraries/System.Net.Http/src/System/Net/Http/HttpClientHandler.AnyMobile.InvokeNativeHandler.cs b/src/libraries/System.Net.Http/src/System/Net/Http/HttpClientHandler.AnyMobile.InvokeNativeHandler.cs
index 937bc237c3c739..fbe67ae27b2cd8 100644
--- a/src/libraries/System.Net.Http/src/System/Net/Http/HttpClientHandler.AnyMobile.InvokeNativeHandler.cs
+++ b/src/libraries/System.Net.Http/src/System/Net/Http/HttpClientHandler.AnyMobile.InvokeNativeHandler.cs
@@ -332,11 +332,10 @@ private void SetCredentials(ICredentials? value)
 
         private static HttpMessageHandler CreateNativeHandler()
         {
-            return (HttpMessageHandler)CallNative();
+            return CallNative(null);
 
             [UnsafeAccessor(UnsafeAccessorKind.StaticMethod, Name = "GetHttpMessageHandler")]
-            [return: UnsafeAccessorType(NativeHandlerType)]
-            static extern object CallNative();
+            static extern HttpMessageHandler CallNative([UnsafeAccessorType(GetHttpMessageHandlerType)] object? _);
         }
     }
 }