diff --git a/libs/app/source/ui_scene.cpp b/libs/app/source/ui_scene.cpp
index 7366d8d1..1315299c 100644
--- a/libs/app/source/ui_scene.cpp
+++ b/libs/app/source/ui_scene.cpp
@@ -1,5 +1,7 @@
 #include <psemek/app/ui_scene.hpp>
 
+#include <psemek/log/log.hpp>
+
 namespace psemek::app
 {
 
@@ -88,8 +90,11 @@ namespace psemek::app
 
 	void ui_scene::update()
 	{
+		static constexpr std::size_t max_events_per_frame = 64;
+
 		controller_.update(update_clock_.restart().count());
-		controller_.loop()->pump();
+		if (controller_.loop()->pump(max_events_per_frame) == max_events_per_frame)
+			log::warning() << "UI event loop had more than " << max_events_per_frame << " events, delaying others";
 	}
 
 	void ui_scene::present()