diff --git a/Include/pytime.h b/Include/pytime.h
index 4870a9d..bdda1da 100644
--- a/Include/pytime.h
+++ b/Include/pytime.h
@@ -17,8 +17,8 @@
    store a duration, and so indirectly a date (related to another date, like
    UNIX epoch). */
 typedef int64_t _PyTime_t;
-#define _PyTime_MIN PY_LLONG_MIN
-#define _PyTime_MAX PY_LLONG_MAX
+#define _PyTime_MIN INT64_MIN
+#define _PyTime_MAX INT64_MAX
 
 typedef enum {
     /* Round towards minus infinity (-inf).