diff --git a/arch/sim/src/nuttx-names.in b/arch/sim/src/nuttx-names.in
index 776d1ddea27..66b09034ab6 100644
--- a/arch/sim/src/nuttx-names.in
+++ b/arch/sim/src/nuttx-names.in
@@ -84,6 +84,7 @@ NXSYMBOLS(rmdir)
 NXSYMBOLS(sched_yield)
 NXSYMBOLS(select)
 NXSYMBOLS(sendmsg)
+NXSYMBOLS(setitimer)
 NXSYMBOLS(setjmp)
 NXSYMBOLS(shutdown)
 NXSYMBOLS(sigaction)