diff --git a/include/time.h b/include/time.h
index 88f4606d5c3..904022a7669 100644
--- a/include/time.h
+++ b/include/time.h
@@ -96,8 +96,8 @@
 #ifndef CONFIG_LIBC_LOCALTIME
 /* Local time is the same as gmtime in this implementation */
 
-#define localtime(c)       gmtime(c)
-#define localtime_r(c,r)   gmtime_r(c,r)
+#  define localtime(c)       gmtime(c)
+#  define localtime_r(c,r)   gmtime_r(c,r)
 #endif
 
 /********************************************************************************
@@ -196,6 +196,10 @@ int clock_getres(clockid_t clockid, FAR struct timespec *res);
 time_t mktime(FAR struct tm *tp);
 FAR struct tm *gmtime(FAR const time_t *timer);
 FAR struct tm *gmtime_r(FAR const time_t *timer, FAR struct tm *result);
+#ifdef CONFIG_LIBC_LOCALTIME
+FAR struct tm *localtime(FAR const time_t *timer);
+FAR struct tm *localtime_r(FAR const time_t *timer, FAR struct tm *result);
+#endif
 size_t strftime(FAR char *s, size_t max, FAR const char *format,
                 FAR const struct tm *tm);