diff --git a/src/Docfx.Build/HostServiceCreator.cs b/src/Docfx.Build/HostServiceCreator.cs
index 462b5813afc..fb6aea1c646 100644
--- a/src/Docfx.Build/HostServiceCreator.cs
+++ b/src/Docfx.Build/HostServiceCreator.cs
@@ -63,12 +63,8 @@ public virtual (FileModel model, bool valid) Load(
             {
                 if (e is not DocumentException)
                 {
-                    var message = e is ArgumentException or NullReferenceException
-                        ? e.ToString()
-                        : e.Message;
-
                     Logger.LogError(
-                        $"Unable to load file '{file.File}' via processor '{processor.Name}': {message}",
+                        $"Unable to load file '{file.File}' via processor '{processor.Name}': {e.Message}",
                         code: ErrorCodes.Build.InvalidInputFile);
                 }
                 return (null, false);