diff --git a/src/Shared/LayoutRenderers/AspNetRequestPostedBodyLayoutRenderer.cs b/src/Shared/LayoutRenderers/AspNetRequestPostedBodyLayoutRenderer.cs
index c676abfa..19f0ae1e 100644
--- a/src/Shared/LayoutRenderers/AspNetRequestPostedBodyLayoutRenderer.cs
+++ b/src/Shared/LayoutRenderers/AspNetRequestPostedBodyLayoutRenderer.cs
@@ -18,7 +18,7 @@ namespace NLog.Web.LayoutRenderers
     [LayoutRenderer("aspnet-request-posted-body")]
     public class AspNetRequestPostedBodyLayoutRenderer : AspNetLayoutRendererBase
     {
-        internal static bool MiddlewareInstalled;
+        internal static bool MiddlewareInstalled { get; set; }
 
         /// <summary>
         /// The object for the key in HttpContext.Items for the POST request body
diff --git a/src/Shared/Targets/Wrappers/AspNetBufferingTargetWrapper.cs b/src/Shared/Targets/Wrappers/AspNetBufferingTargetWrapper.cs
index 033968d2..a51d8b89 100644
--- a/src/Shared/Targets/Wrappers/AspNetBufferingTargetWrapper.cs
+++ b/src/Shared/Targets/Wrappers/AspNetBufferingTargetWrapper.cs
@@ -74,7 +74,7 @@ namespace NLog.Web.Targets.Wrappers
     [Target("AspNetBufferingWrapper", IsWrapper = true)]
     public class AspNetBufferingTargetWrapper : WrapperTargetBase
     {
-        internal static bool MiddlewareInstalled;
+        internal static bool MiddlewareInstalled { get; set; }
 
         private static readonly object dataSlot = new object();
         private int _bufferGrowLimit;