diff --git a/libc/src/pthread/pthread_exit.cpp b/libc/src/pthread/pthread_exit.cpp
--- a/libc/src/pthread/pthread_exit.cpp
+++ b/libc/src/pthread/pthread_exit.cpp
@@ -19,7 +19,7 @@
               "Mismatch between pthread_t and internal Thread.");
 
 LLVM_LIBC_FUNCTION(void, pthread_exit, (void *retval)) {
-  thread_exit(ThreadReturnValue(retval), ThreadStyle::POSIX);
+  __llvm_libc::thread_exit(ThreadReturnValue(retval), ThreadStyle::POSIX);
 }
 
 } // namespace __llvm_libc