diff --git a/dotnet/src/dotnetframework/GxClasses/Model/GXWebProcedure.cs b/dotnet/src/dotnetframework/GxClasses/Model/GXWebProcedure.cs
index fc01e6f12..295e553e0 100644
--- a/dotnet/src/dotnetframework/GxClasses/Model/GXWebProcedure.cs
+++ b/dotnet/src/dotnetframework/GxClasses/Model/GXWebProcedure.cs
@@ -6,6 +6,7 @@ namespace GeneXus.Procedure
 	using System.Globalization;
 	using GeneXus.Http;
 	using GeneXus.Mime;
+	using System.Net.Mime;
 #if NETCORE
 	using Microsoft.AspNetCore.Http;
 #else
@@ -14,6 +15,7 @@ namespace GeneXus.Procedure
 
 	public class GXWebProcedure : GXHttpHandler
 	{
+		static readonly IGXLogger log = GXLoggerFactory.GetLogger<GXWebProcedure>();
 		protected int handle;
 
 		protected GXReportMetadata reportMetadata;
@@ -137,8 +139,19 @@ private void setOuputFileName()
 				{
 					fileType = outputType.ToLower();
 				}
-
-				context.HttpContext.Response.AddHeader(HttpHeader.CONTENT_DISPOSITION, $"inline; filename={fileName}.{fileType}");
+				try
+				{
+					ContentDisposition contentDisposition = new ContentDisposition
+					{
+						Inline = true,
+						FileName = $"{fileName}.{fileType}"
+					};
+					context.HttpContext.Response.AddHeader(HttpHeader.CONTENT_DISPOSITION, contentDisposition.ToString());
+				}
+				catch (Exception ex)
+				{
+					GXLogging.Warn(log, $"{HttpHeader.CONTENT_DISPOSITION} couldn't be set for {fileName}.{fileType}", ex);
+				}
 			}
 		}
 
@@ -152,9 +165,9 @@ protected bool initPrinter(String output, int gxXPage, int gxYPage, String iniFi
 			if (!Config.GetValueOf("LANGUAGE", out idiom))
 				idiom = "eng";
 			fileContentInline = true;
-#if NETCORE
+
 			setOuputFileName();
-#endif
+
 			getPrinter().GxRVSetLanguage(idiom);
 			int xPage = gxXPage;
 			int yPage = gxYPage;