diff --git a/repos/libports/lib/symbols/stdcxx b/repos/libports/lib/symbols/stdcxx
index 60a7850823..a38ec5fcdf 100644
--- a/repos/libports/lib/symbols/stdcxx
+++ b/repos/libports/lib/symbols/stdcxx
@@ -855,6 +855,7 @@ _ZNSt9basic_iosIcSt11char_traitsIcEED1Ev W
 _ZNSt9basic_iosIcSt11char_traitsIcEED2Ev W
 _ZSt16__ostream_insertIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_PKS3_l W
 _ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_ W
+_ZSt9use_facetISt5ctypeIcEERKT_RKSt6locale W
 _ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc W
 _ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_c W
 _ZStlsIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_St13_Setprecision W