diff --git a/arch/sim/src/nuttx-names.in b/arch/sim/src/nuttx-names.in
index 9e30d90ace2..af9765b7767 100644
--- a/arch/sim/src/nuttx-names.in
+++ b/arch/sim/src/nuttx-names.in
@@ -82,6 +82,7 @@ NXSYMBOLS(rmdir)
 NXSYMBOLS(sched_yield)
 NXSYMBOLS(select)
 NXSYMBOLS(sendmsg)
+NXSYMBOLS(setitimer)
 NXSYMBOLS(shutdown)
 NXSYMBOLS(sigaction)
 NXSYMBOLS(sigaddset)