Index: uspace/lib/cpp/include/__bits/thread/threading.hpp
===================================================================
--- uspace/lib/cpp/include/__bits/thread/threading.hpp	(revision 5bbb044cc4e9342b0901265380163104ed0dc2d2)
+++ uspace/lib/cpp/include/__bits/thread/threading.hpp	(revision c124c985b458abc83183812eb63cef12f08694dd)
@@ -158,5 +158,5 @@
             static void sleep(time_unit time)
             {
-                hel::async_usleep(time);
+                hel::fibril_usleep(time);
             }
         };