diff --git a/CHANGELOG.md b/CHANGELOG.md
index 35588e2719..72068656ab 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -11,6 +11,7 @@
 - Fix error with `ConcurrentHashMap` on Android <= 9 ([#1761](https://github.com/getsentry/sentry-dotnet/pull/1761))
 - Minor improvements to `BackgroundWorker` ([#1773](https://github.com/getsentry/sentry-dotnet/pull/1773))
 - Make GzipRequestBodyHandler respect async ([#1776](https://github.com/getsentry/sentry-dotnet/pull/1776))
+- Fix exceptions on background thread not reported in Unity ([#1794](https://github.com/getsentry/sentry-dotnet/pull/1794))
 
 ## 3.19.0
 
diff --git a/src/Sentry/Integrations/AppDomainUnhandledExceptionIntegration.cs b/src/Sentry/Integrations/AppDomainUnhandledExceptionIntegration.cs
index d50c40aeab..d4a83046d2 100644
--- a/src/Sentry/Integrations/AppDomainUnhandledExceptionIntegration.cs
+++ b/src/Sentry/Integrations/AppDomainUnhandledExceptionIntegration.cs
@@ -10,13 +10,15 @@ internal class AppDomainUnhandledExceptionIntegration : ISdkIntegration
     {
         private readonly IAppDomain _appDomain;
         private IHub? _hub;
+        private SentryOptions? _options;
 
         internal AppDomainUnhandledExceptionIntegration(IAppDomain? appDomain = null)
             => _appDomain = appDomain ?? AppDomainAdapter.Instance;
 
-        public void Register(IHub hub, SentryOptions _)
+        public void Register(IHub hub, SentryOptions options)
         {
             _hub = hub;
+            _options = options;
             _appDomain.UnhandledException += Handle;
         }
 
@@ -36,7 +38,7 @@ internal void Handle(object sender, UnhandledExceptionEventArgs e)
 
             if (e.IsTerminating)
             {
-                (_hub as IDisposable)?.Dispose();
+                _hub?.FlushAsync(_options!.ShutdownTimeout).GetAwaiter().GetResult();
             }
         }
     }
diff --git a/test/Sentry.Tests/AppDomainUnhandledExceptionIntegrationTests.cs b/test/Sentry.Tests/AppDomainUnhandledExceptionIntegrationTests.cs
index 39648c6fae..2ff82b981c 100644
--- a/test/Sentry.Tests/AppDomainUnhandledExceptionIntegrationTests.cs
+++ b/test/Sentry.Tests/AppDomainUnhandledExceptionIntegrationTests.cs
@@ -39,15 +39,14 @@ public void Handle_NoException_NoCaptureEvent()
     }
 
     [Fact]
-    public void Handle_TerminatingTrue_DisposesHub()
+    public void Handle_TerminatingTrue_FlushesHub()
     {
         var sut = _fixture.GetSut();
         sut.Register(_fixture.Hub, SentryOptions);
 
         sut.Handle(this, new UnhandledExceptionEventArgs(new Exception(), true));
 
-        var disposableHub = _fixture.Hub as IDisposable;
-        disposableHub.Received(1).Dispose();
+        _fixture.Hub.Received(1).FlushAsync(Arg.Any<TimeSpan>());
     }
 
     [Fact]
@@ -70,15 +69,14 @@ public void Handle_TerminatingTrue_IsHandledFalse()
     }
 
     [Fact]
-    public void Handle_TerminatingTrue_NoException_DisposesHub()
+    public void Handle_TerminatingTrue_NoException_FlushesHub()
     {
         var sut = _fixture.GetSut();
         sut.Register(_fixture.Hub, SentryOptions);
 
         sut.Handle(this, new UnhandledExceptionEventArgs(null, true));
 
-        var disposableHub = _fixture.Hub as IDisposable;
-        disposableHub.Received(1).Dispose();
+        _fixture.Hub.Received(1).FlushAsync(Arg.Any<TimeSpan>());
     }
 
     [Fact]