diff --git a/tools/generator/Java.Interop.Tools.Generator.ObjectModel/JavadocInfo.cs b/tools/generator/Java.Interop.Tools.Generator.ObjectModel/JavadocInfo.cs
index b1a0f5ab4..702984499 100644
--- a/tools/generator/Java.Interop.Tools.Generator.ObjectModel/JavadocInfo.cs
+++ b/tools/generator/Java.Interop.Tools.Generator.ObjectModel/JavadocInfo.cs
@@ -186,7 +186,7 @@ static void PrintMessages (ParseTree tree, TextWriter writer)
 		{
 			var lines   = GetLines (tree.SourceText);
 			foreach (var m in tree.ParserMessages) {
-				writer.WriteLine ($"{m.Level} {m.Location}: {m.Message}");
+				writer.WriteLine ($"JavadocImport-{m.Level} {m.Location}: {m.Message}");
 				writer.WriteLine (lines [m.Location.Line]);
 				writer.Write (new string (' ', m.Location.Column));
 				writer.WriteLine ("^");