diff --git a/arch/sim/src/nuttx-names.in b/arch/sim/src/nuttx-names.in
index 85aa0896936..dab2123aea3 100644
--- a/arch/sim/src/nuttx-names.in
+++ b/arch/sim/src/nuttx-names.in
@@ -56,11 +56,11 @@ NXSYMBOLS(open)
 NXSYMBOLS(opendir)
 NXSYMBOLS(perror)
 NXSYMBOLS(poll)
-NXSYMBOLS(pthread_create)
 NXSYMBOLS(pthread_cond_destroy)
 NXSYMBOLS(pthread_cond_init)
 NXSYMBOLS(pthread_cond_signal)
 NXSYMBOLS(pthread_cond_wait)
+NXSYMBOLS(pthread_create)
 NXSYMBOLS(pthread_getspecific)
 NXSYMBOLS(pthread_key_create)
 NXSYMBOLS(pthread_kill)
@@ -72,11 +72,13 @@ NXSYMBOLS(pthread_setspecific)
 NXSYMBOLS(pthread_sigmask)
 NXSYMBOLS(read)
 NXSYMBOLS(readdir)
+NXSYMBOLS(readv)
 NXSYMBOLS(rename)
 NXSYMBOLS(rewinddir)
 NXSYMBOLS(rmdir)
 NXSYMBOLS(sched_yield)
 NXSYMBOLS(select)
+NXSYMBOLS(sendmsg)
 NXSYMBOLS(shutdown)
 NXSYMBOLS(sigaction)
 NXSYMBOLS(sigaddset)
@@ -93,4 +95,4 @@ NXSYMBOLS(tcsetattr)
 NXSYMBOLS(unlink)
 NXSYMBOLS(usleep)
 NXSYMBOLS(write)
-NXSYMBOLS(sendmsg)
+NXSYMBOLS(writev)