diff --git a/src/SourceGenerators/Uno.UI.SourceGenerators/XamlGenerator/XamlFileGenerator.cs b/src/SourceGenerators/Uno.UI.SourceGenerators/XamlGenerator/XamlFileGenerator.cs
index dad30c70eb21..1b715a61074e 100644
--- a/src/SourceGenerators/Uno.UI.SourceGenerators/XamlGenerator/XamlFileGenerator.cs
+++ b/src/SourceGenerators/Uno.UI.SourceGenerators/XamlGenerator/XamlFileGenerator.cs
@@ -568,7 +568,7 @@ void ApplyLiteralProperties()
 
 			void AttachUnhandledExceptionHandler()
 			{
-				writer.Append($"#if DEBUG");
+				writer.Append($"#if DEBUG && !DISABLE_GENERATED_UNHANDLED_EXCEPTION_HANDLER");
 				writer.AppendLine();
 				writer.AppendLineIndented($"UnhandledException += (s, e) =>");
 				writer.AppendLineIndented("{");