diff --git a/Python/traceback.c b/Python/traceback.c
index 40e19c7cc82075..74360a1c73c271 100644
--- a/Python/traceback.c
+++ b/Python/traceback.c
@@ -1186,7 +1186,7 @@ _Py_DumpTraceback(int fd, PyThreadState *tstate)
 
 
 // Write the thread name
-static void
+static void _Py_NO_SANITIZE_THREAD
 write_thread_name(int fd, PyThreadState *tstate)
 {
 #ifndef MS_WINDOWS
@@ -1239,7 +1239,7 @@ write_thread_name(int fd, PyThreadState *tstate)
 
    This function is signal safe (except on Windows). */
 
-static void
+static void _Py_NO_SANITIZE_THREAD
 write_thread_id(int fd, PyThreadState *tstate, int is_current)
 {
     if (is_current)