diff --git a/localtime.c b/localtime.c
index f499583..1df3fba 100644
--- a/localtime.c
+++ b/localtime.c
@@ -1322,7 +1322,6 @@ localsub(const time_t *const timep, const int_fast32_t offset,
 	*/
 	result = timesub(&t, ttisp->tt_gmtoff, sp, tmp);
 	tmp->tm_isdst = ttisp->tt_isdst;
-	tzname[tmp->tm_isdst] = &sp->chars[ttisp->tt_abbrind];
 #ifdef TM_ZONE
 	tmp->TM_ZONE = &sp->chars[ttisp->tt_abbrind];
 #endif /* defined TM_ZONE */