diff --git a/drivel.go b/drivel.go
index a137e65..de740c8 100644
--- a/drivel.go
+++ b/drivel.go
@@ -314,8 +314,9 @@ func timelineLoop(endpoint string, flags timelineFlags) (tweets []Status) {
 		if len(tmp) == 0 {
 			break
 		}
-		lowestSoFar, _ := strconv.Atoi(tmp[len(tmp)-1].Id_str)
-		maxID = strconv.Itoa(lowestSoFar - 1)
+		var lowestSoFar int64
+		lowestSoFar, _ = strconv.ParseInt(tmp[len(tmp)-1].Id_str, 10, 64)
+		maxID = strconv.FormatInt(lowestSoFar-1, 10)
 		tweets = append(tweets, tmp...)
 		if len(tweets) > flags.count {
 			tweets = tweets[:flags.count]