diff --git a/Include/traceback.h b/Include/traceback.h
index 891000c..c3ecbe2 100644
--- a/Include/traceback.h
+++ b/Include/traceback.h
@@ -48,7 +48,7 @@
 
    This function is signal safe. */
 
-PyAPI_DATA(void) _Py_DumpTraceback(
+PyAPI_FUNC(void) _Py_DumpTraceback(
     int fd,
     PyThreadState *tstate);
 
@@ -62,7 +62,7 @@
 
    This function is signal safe. */
 
-PyAPI_DATA(const char*) _Py_DumpTracebackThreads(
+PyAPI_FUNC(const char*) _Py_DumpTracebackThreads(
     int fd, PyInterpreterState *interp,
     PyThreadState *current_thread);