diff --git a/arch/sim/src/nuttx-names.in b/arch/sim/src/nuttx-names.in
index b3e05e0fad..165db84f3b 100644
--- a/arch/sim/src/nuttx-names.in
+++ b/arch/sim/src/nuttx-names.in
@@ -47,6 +47,11 @@ NXSYMBOLS(clock_settime)
 NXSYMBOLS(close)
 NXSYMBOLS(closedir)
 NXSYMBOLS(connect)
+NXSYMBOLS(dlclose)
+NXSYMBOLS(dlerror)
+NXSYMBOLS(dlopen)
+NXSYMBOLS(dlsym)
+NXSYMBOLS(dlsymtab)
 NXSYMBOLS(dup)
 NXSYMBOLS(dup2)
 NXSYMBOLS(exit)