diff --git a/zic.c b/zic.c
index 53de1fd..5ea99da 100644
--- a/zic.c
+++ b/zic.c
@@ -2139,12 +2139,11 @@ register const int			wantedy;
 	}
 	if (dayoff < 0 && !TYPE_SIGNED(time_t))
 		return min_time;
+	if (dayoff < min_time / SECSPERDAY)
+		return min_time;
+	if (dayoff > max_time / SECSPERDAY)
+		return max_time;
 	t = (time_t) dayoff * SECSPERDAY;
-	/*
-	** Cheap overflow check.
-	*/
-	if (t / SECSPERDAY != dayoff)
-		return (dayoff > 0) ? max_time : min_time;
 	return tadd(t, rp->r_tod);
 }