diff --git a/scsh/time1.c b/scsh/time1.c
index 9b0c666..a4717b8 100644
--- a/scsh/time1.c
+++ b/scsh/time1.c
@@ -135,7 +135,7 @@ s48_value time2date(s48_value sch_t, s48_value sch_zone)
 	int offset = s48_extract_fixnum(sch_zone);
 	t += s48_extract_fixnum(sch_zone);
 	d = *gmtime(&t);
-	sch_tz_name = s48_enter_string("");
+	sch_tz_name = S48_FALSE;
 	sch_tz_secs = s48_enter_fixnum (offset);
 	}
     else {