diff --git a/src/duckstation-qt/autoupdaterdialog.cpp b/src/duckstation-qt/autoupdaterdialog.cpp
index 606f910e9..bc620fad1 100644
--- a/src/duckstation-qt/autoupdaterdialog.cpp
+++ b/src/duckstation-qt/autoupdaterdialog.cpp
@@ -114,7 +114,7 @@ bool AutoUpdaterDialog::isOfficialBuild()
 #endif
 }
 
-bool AutoUpdaterDialog::warnAboutUnofficialBuild()
+void AutoUpdaterDialog::warnAboutUnofficialBuild()
 {
   //
   // To those distributing their own builds or packages of DuckStation, and seeing this message:
@@ -144,7 +144,7 @@ bool AutoUpdaterDialog::warnAboutUnofficialBuild()
 #endif
     Host::GetBaseBoolSettingValue(CONFIG_SECTION, CONFIG_KEY, false))
   {
-    return true;
+    return;
   }
 
   constexpr int DELAY_SECONDS = 5;
@@ -197,15 +197,12 @@ bool AutoUpdaterDialog::warnAboutUnofficialBuild()
   if (mbox.exec() == QMessageBox::Yes)
   {
     QtUtils::OpenURL(nullptr, "https://duckstation.org/");
-    return false;
+    QMetaObject::invokeMethod(qApp, &QApplication::quit, Qt::QueuedConnection);
+    return;
   }
 
   if (cb->isChecked())
     Host::SetBaseBoolSettingValue(CONFIG_SECTION, CONFIG_KEY, true);
-
-  return true;
-#else
-  return true;
 #endif
 }
 
diff --git a/src/duckstation-qt/autoupdaterdialog.h b/src/duckstation-qt/autoupdaterdialog.h
index f8d83a8a2..67a399b5b 100644
--- a/src/duckstation-qt/autoupdaterdialog.h
+++ b/src/duckstation-qt/autoupdaterdialog.h
@@ -34,7 +34,7 @@ public:
   static std::string getDefaultTag();
   static void cleanupAfterUpdate();
   static bool isOfficialBuild();
-  static bool warnAboutUnofficialBuild();
+  static void warnAboutUnofficialBuild();
 
 Q_SIGNALS:
   void updateCheckCompleted();
diff --git a/src/duckstation-qt/qthost.cpp b/src/duckstation-qt/qthost.cpp
index f52ab89a5..058c236a8 100644
--- a/src/duckstation-qt/qthost.cpp
+++ b/src/duckstation-qt/qthost.cpp
@@ -2918,9 +2918,6 @@ int main(int argc, char* argv[])
   if (!QtHost::ParseCommandLineParametersAndInitializeConfig(app, autoboot))
     return EXIT_FAILURE;
 
-  if (!AutoUpdaterDialog::warnAboutUnofficialBuild())
-    return EXIT_FAILURE;
-
   if (!QtHost::EarlyProcessStartup())
     return EXIT_FAILURE;
 
@@ -2931,6 +2928,9 @@ int main(int argc, char* argv[])
   // Set theme before creating any windows.
   QtHost::UpdateApplicationTheme();
 
+  // Build warning.
+  AutoUpdaterDialog::warnAboutUnofficialBuild();
+
   // Start logging early.
   LogWindow::updateSettings();