diff --git a/job.go b/job.go
index d966cce..4beb559 100644
--- a/job.go
+++ b/job.go
@@ -45,7 +45,7 @@ func createJob(jobTypeID int32, priority int32, userID64 int64, trigger int64, s
 	}
 	defer stmt.Close()
 
-	log.PrintF("createJob : timeout : %s\n.", time.Unix(maxUnixTimestamp, 0).UTC().Format(time.RFC3339))
+	log.Printf("createJob : timeout : %s\n.", time.Unix(maxUnixTimestamp, 0).UTC().Format(time.RFC3339))
 
 	_, err = stmt.Exec(objId, priority, userID64, trigger, schedule.UTC(), time.Now().UTC(), time.Unix(maxUnixTimestamp, 0).UTC(), payload)
 	logOnError(err, "createJob : insert obj_job")