diff --git a/components/libc/compilers/dlib/time.c b/components/libc/compilers/dlib/time.c
index bea01e90e54e5963c7005977b71f06c712fcf807..12c7f893e97d8f9c90e169f5381d28d08f4bd3fc 100644
--- a/components/libc/compilers/dlib/time.c
+++ b/components/libc/compilers/dlib/time.c
@@ -42,9 +42,9 @@ int gettimeofday(struct timeval *tp, void *ignore)
  */
 #pragma module_name = "?time"
 #if _DLIB_TIME_ALLOW_64
-time_t __time64(time_t *t)
+__time64_t __time64(__time64_t *t)
 #else
-time_t __time32(time_t *t)
+__time32_t __time32(__time32_t *t)
 #endif
 {
   time_t time_now = 0;