Index: uspace/lib/cpp/include/__bits/thread/async.hpp
===================================================================
--- uspace/lib/cpp/include/__bits/thread/async.hpp	(revision 0076b9d08217ab74cb57f3a302bc6cd3d6bf1879)
+++ uspace/lib/cpp/include/__bits/thread/async.hpp	(revision bf13e7118ea017a44e09d6880e2fc8313600859d)
@@ -31,4 +31,5 @@
 
 #include <__bits/thread/future.hpp>
+#include <__bits/thread/future_common.hpp>
 #include <__bits/thread/shared_state.hpp>
 #include <__bits/type_traits/result_of.hpp>
@@ -40,5 +41,5 @@
     enum class launch
     {
-        async,
+        async = 1,
         deferred
     };