diff --git a/ios/src/FilamentViewer.cpp b/ios/src/FilamentViewer.cpp
index 1c52304e..6908f210 100644
--- a/ios/src/FilamentViewer.cpp
+++ b/ios/src/FilamentViewer.cpp
@@ -701,6 +701,7 @@ namespace polyvox
       _swapChain = nullptr;
       Log("Swapchain destroyed.");
     }
+    _engine->flushAndWait();
   }
 
   void FilamentViewer::clearAssets()