diff --git a/NLog.Web.AspNetCore/LayoutRenderers/AspNetRequestValueLayoutRenderer.cs b/NLog.Web.AspNetCore/LayoutRenderers/AspNetRequestValueLayoutRenderer.cs
index 2b3b8eae..95a1187e 100644
--- a/NLog.Web.AspNetCore/LayoutRenderers/AspNetRequestValueLayoutRenderer.cs
+++ b/NLog.Web.AspNetCore/LayoutRenderers/AspNetRequestValueLayoutRenderer.cs
@@ -57,12 +57,18 @@ public class AspNetRequestValueLayoutRenderer : AspNetLayoutRendererBase
         /// <docgen category='Rendering Options' order='10' />
         public string Cookie { get; set; }
 
+#if !NETSTANDARD_1plus
+
+        //missing in .NET Core (RC2)
+
         /// <summary>
         /// Gets or sets the ServerVariables item to be rendered.
         /// </summary>
         /// <docgen category='Rendering Options' order='10' />
         public string ServerVariable { get; set; }
 
+#endif
+
         /// <summary>
         /// Gets or sets the Headers item to be rendered.
         /// </summary>
@@ -109,15 +115,14 @@ protected override void DoAppend(StringBuilder builder, LogEventInfo logEvent)
 #endif
 
             }
+#if !NETSTANDARD_1plus
             else if (this.ServerVariable != null)
             {
-#if !NETSTANDARD_1plus
+
                 builder.Append(httpRequest.ServerVariables[this.ServerVariable]);
-#else
 
-                throw new NotSupportedException();
-#endif
             }
+#endif
             else if (this.Header != null)
             {
                 string header = httpRequest.Headers[this.Header];