Index: uspace/lib/posix/source/time.c
===================================================================
--- uspace/lib/posix/source/time.c	(revision 65c28f72c1d6421db071006dcdacae04100098c0)
+++ uspace/lib/posix/source/time.c	(revision b5abaf7c8551d1f27dee4024aa0f8824ee2e9317)
@@ -45,5 +45,5 @@
 #include "posix/assert.h"
 
-#include "libc/fibril_synch.h"
+#include "libc/async.h"
 #include "libc/malloc.h"
 #include "libc/task.h"
@@ -314,8 +314,8 @@
 			// TODO: interruptible sleep
 			if (rqtp->tv_sec != 0) {
-				fibril_sleep(rqtp->tv_sec);
+				async_sleep(rqtp->tv_sec);
 			}
 			if (rqtp->tv_nsec != 0) {
-				fibril_usleep(rqtp->tv_nsec / 1000);
+				async_usleep(rqtp->tv_nsec / 1000);
 			}
 			return 0;