diff --git a/sixtyfps_runtime/rendering_backends/qt/lib.rs b/sixtyfps_runtime/rendering_backends/qt/lib.rs
index 42e43825a..f15bba229 100644
--- a/sixtyfps_runtime/rendering_backends/qt/lib.rs
+++ b/sixtyfps_runtime/rendering_backends/qt/lib.rs
@@ -150,7 +150,11 @@ impl sixtyfps_corelib::backend::Backend for Backend {
         {
             use cpp::cpp;
             cpp! {unsafe [] {
-                qApp->quit();
+                // Use a quit event to avoid qApp->quit() calling
+                // [NSApp terminate:nil] and us never returning from the
+                // event loop - sixtyfps-viewer relies on the ability to
+                // return from run().
+                QCoreApplication::postEvent(qApp, new QEvent(QEvent::Quit));
             } }
         };
     }