diff --git a/TUnit.Engine/Extensions/TestApplicationBuilderExtensions.cs b/TUnit.Engine/Extensions/TestApplicationBuilderExtensions.cs
index 667f8a333e..266e051938 100644
--- a/TUnit.Engine/Extensions/TestApplicationBuilderExtensions.cs
+++ b/TUnit.Engine/Extensions/TestApplicationBuilderExtensions.cs
@@ -37,8 +37,11 @@ public static void AddTUnit(this ITestApplicationBuilder testApplicationBuilder)
         testApplicationBuilder.CommandLine.AddProvider(() => new ParallelismStrategyCommandProvider(extension));
         testApplicationBuilder.CommandLine.AddProvider(() => new AdaptiveMetricsCommandProvider(extension));
 
-        // Unified verbosity control (replaces HideTestOutput, DisableLogo, DetailedStacktrace)
+        // Unified verbosity control (replaces HideTestOutput, DisableLogo)
         testApplicationBuilder.CommandLine.AddProvider(() => new VerbosityCommandProvider(extension));
+        
+        // Keep detailed stacktrace option for backward compatibility 
+        testApplicationBuilder.CommandLine.AddProvider(() => new DetailedStacktraceCommandProvider(extension));
 
         testApplicationBuilder.TestHost.AddDataConsumer(_ => githubReporter);
         testApplicationBuilder.TestHost.AddTestHostApplicationLifetime(_ => githubReporter);
diff --git a/TUnit.Engine/Framework/TUnitServiceProvider.cs b/TUnit.Engine/Framework/TUnitServiceProvider.cs
index 6319787425..81c83f70a9 100644
--- a/TUnit.Engine/Framework/TUnitServiceProvider.cs
+++ b/TUnit.Engine/Framework/TUnitServiceProvider.cs
@@ -78,6 +78,7 @@ public TUnitServiceProvider(IExtension extension,
         MessageBus = Register(new TUnitMessageBus(
             extension,
             CommandLineOptions,
+            VerbosityService,
             frameworkServiceProvider,
             context));
 
diff --git a/TUnit.Engine/TUnitMessageBus.cs b/TUnit.Engine/TUnitMessageBus.cs
index e051534208..14ec00738a 100644
--- a/TUnit.Engine/TUnitMessageBus.cs
+++ b/TUnit.Engine/TUnitMessageBus.cs
@@ -9,12 +9,13 @@
 using TUnit.Engine.CommandLineProviders;
 using TUnit.Engine.Exceptions;
 using TUnit.Engine.Extensions;
+using TUnit.Engine.Services;
 
 #pragma warning disable TPEXP
 
 namespace TUnit.Engine;
 
-internal class TUnitMessageBus(IExtension extension, ICommandLineOptions commandLineOptions, IServiceProvider serviceProvider, ExecuteRequestContext context) : ITUnitMessageBus, IDataProducer
+internal class TUnitMessageBus(IExtension extension, ICommandLineOptions commandLineOptions, VerbosityService verbosityService, IServiceProvider serviceProvider, ExecuteRequestContext context) : ITUnitMessageBus, IDataProducer
 {
     private readonly SessionUid _sessionSessionUid = context.Request.Session.SessionUid;
 
@@ -101,7 +102,9 @@ public async ValueTask Failed(TestContext testContext, Exception exception, Date
 
     private Exception SimplifyStacktrace(Exception exception)
     {
-        if (commandLineOptions.IsOptionSet(DetailedStacktraceCommandProvider.DetailedStackTrace))
+        // Check both the legacy --detailed-stacktrace flag and the new verbosity system
+        if (commandLineOptions.IsOptionSet(DetailedStacktraceCommandProvider.DetailedStackTrace) || 
+            (verbosityService?.ShowDetailedStackTrace == true))
         {
             return exception;
         }