diff --git a/arch/sim/src/nuttx-names.in b/arch/sim/src/nuttx-names.in
index 165db84f3b..82f0931bc2 100644
--- a/arch/sim/src/nuttx-names.in
+++ b/arch/sim/src/nuttx-names.in
@@ -114,6 +114,10 @@ NXSYMBOLS(pipe)
 NXSYMBOLS(poll)
 NXSYMBOLS(printf)
 NXSYMBOLS(pthread_create)
+NXSYMBOLS(pthread_cond_destroy)
+NXSYMBOLS(pthread_cond_init)
+NXSYMBOLS(pthread_cond_signal)
+NXSYMBOLS(pthread_cond_wait)
 NXSYMBOLS(pthread_detach)
 NXSYMBOLS(pthread_exit)
 NXSYMBOLS(pthread_getspecific)