diff --git a/libc/include/CMakeLists.txt b/libc/include/CMakeLists.txt
index 910f9eea015f2..dfa5063889e8a 100644
--- a/libc/include/CMakeLists.txt
+++ b/libc/include/CMakeLists.txt
@@ -347,6 +347,7 @@ add_header_macro(
     .llvm-libc-types.__qsortcompare_t
     .llvm-libc-types.__qsortrcompare_t
     .llvm-libc-types.__atexithandler_t
+    .llvm-libc-types.locale_t
 )
 
 add_header_macro(