diff --git a/src/ReC.Application/RecActions/Commands/InvokeRecActionViewCommand.cs b/src/ReC.Application/RecActions/Commands/InvokeRecActionViewCommand.cs
index 01e1703..1e5b36f 100644
--- a/src/ReC.Application/RecActions/Commands/InvokeRecActionViewCommand.cs
+++ b/src/ReC.Application/RecActions/Commands/InvokeRecActionViewCommand.cs
@@ -98,6 +98,11 @@ public class InvokeRecActionViewCommandHandler(
             case EndpointAuthType.NtlmAuth:
                 if (!string.IsNullOrWhiteSpace(action.EndpointAuthUsername))
                 {
+                        if (_options.UseHttp1ForNtlm)
+                        {
+                            httpReq.Version = HttpVersion.Version11;
+                            httpReq.VersionPolicy = HttpVersionPolicy.RequestVersionExact;
+                        }
                         var endpointAuthPassword = action.EndpointAuthPassword
 #if DEBUG
                             ?.Replace("%NTLM_PW%", config?.GetValue<string>("%NTLM_PW%"))