diff --git a/libs/util/include/psemek/util/executor.hpp b/libs/util/include/psemek/util/executor.hpp
index 3b5fbd95..71a714c3 100644
--- a/libs/util/include/psemek/util/executor.hpp
+++ b/libs/util/include/psemek/util/executor.hpp
@@ -160,7 +160,7 @@ namespace psemek::util
 	{
 		using R = decltype(f());
 		auto state = std::make_shared<detail::task_state<R>>();
-		post_at(std::chrono::time_point_cast<clock::time_point>(time), detail::wrap_task(state, std::forward<F>(f), std::forward<Args>(args)...));
+		post_at(std::chrono::time_point_cast<clock::duration>(time), detail::wrap_task(state, std::forward<F>(f), std::forward<Args>(args)...));
 		return future<R>(state);
 	}