diff --git a/def.go b/def.go
index eb7833e..9b8760c 100644
--- a/def.go
+++ b/def.go
@@ -9,7 +9,7 @@ import (
 	tb "gopkg.in/tucnak/telebot.v2"
 )
 
-const maxUnixTimestamp int64 = 253402300799
+const maxUnixTimestamp int64 = 4102444799
 
 type DataBackup struct {
 	Messages []ChatWarsMessage `json:"messages"`
diff --git a/workers.go b/workers.go
index a297677..0dff500 100644
--- a/workers.go
+++ b/workers.go
@@ -512,7 +512,7 @@ func JobWorker(id int, jobs <-chan Job) {
 	//log.Printf("jobWorker[" + strconv.Itoa(id) + "] : Starting.")
 	// FIXME : discard timed out jobs
 	for j := range jobs {
-		//log.Printf("JobWorker[%d] : Starting job %d.\n", id, j.ID64)
+		log.Printf("JobWorker[%d] : Starting job %d (timeout : %s).\n", id, j.ID64, j.Timeout.Format(time.RFC3339))
 		if time.Now().UTC().Before(j.Timeout) {
 			switch j.JobTypeID {
 			case objSubTypeJobRescanMsg: