diff --git a/src/IKVM.MSBuild.Tasks/IkvmToolTaskDiagnosticWriter.cs b/src/IKVM.MSBuild.Tasks/IkvmToolTaskDiagnosticWriter.cs
index 259b27dd0..fd83ff806 100644
--- a/src/IKVM.MSBuild.Tasks/IkvmToolTaskDiagnosticWriter.cs
+++ b/src/IKVM.MSBuild.Tasks/IkvmToolTaskDiagnosticWriter.cs
@@ -54,10 +54,10 @@ public async ValueTask ReceiveAsync(IkvmToolDiagnosticEvent @event, Cancellation
                         logger.LogWarning(null, $"{@event.Id:D4}", null, null, @event.Location.StartLine, @event.Location.StartColumn, @event.Location.EndLine, @event.Location.EndColumn, @event.Message, @event.Args);
                         break;
                     case IkvmToolDiagnosticEventLevel.Error:
-                        logger.LogError(null, $"{@event.Id:D4}", null, null, @event.Location.StartLine, @event.Location.StartColumn, @event.Location.EndLine, @event.Location.EndColumn, MessageImportance.Normal, @event.Message, @event.Args);
+                        logger.LogError(null, $"{@event.Id:D4}", null, null, @event.Location.StartLine, @event.Location.StartColumn, @event.Location.EndLine, @event.Location.EndColumn, @event.Message, @event.Args);
                         break;
                     case IkvmToolDiagnosticEventLevel.Fatal:
-                        logger.LogError(null, $"{@event.Id:D4}", null, null, @event.Location.StartLine, @event.Location.StartColumn, @event.Location.EndLine, @event.Location.EndColumn, MessageImportance.High, @event.Message, @event.Args);
+                        logger.LogError(null, $"{@event.Id:D4}", null, null, @event.Location.StartLine, @event.Location.StartColumn, @event.Location.EndLine, @event.Location.EndColumn, @event.Message, @event.Args);
                         break;
                 }