diff --git a/repos/libports/lib/symbols/stdcxx b/repos/libports/lib/symbols/stdcxx
index a6bb860895..ff483c379d 100644
--- a/repos/libports/lib/symbols/stdcxx
+++ b/repos/libports/lib/symbols/stdcxx
@@ -320,6 +320,7 @@ _ZNSt13__future_base12_Result_baseD1Ev T
 _ZNSt13__future_base12_Result_baseD2Ev T
 _ZNSt13__future_base13_State_baseV211_Make_ready6_M_setEv T
 _ZNSt13__future_base13_State_baseV211_Make_ready6_S_runEPv T
+_ZNSt13basic_fstreamIcSt11char_traitsIcEE5closeEv T
 _ZNSt13random_device14_M_init_pretr1ERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE T
 _ZNSt13random_device14_M_init_pretr1ERKSs T
 _ZNSt13random_device16_M_getval_pretr1Ev T