diff --git a/update.py b/update.py
index 9fa2668..536cdbc 100644
--- a/update.py
+++ b/update.py
@@ -1,11 +1,14 @@
 #!/usr/bin/env python3
 import sys
+import os
 import time
 import serial
 import crcmod
 import rrdtool
 import paramiko
 
+from time import sleep
+
 from config import *
 
 calc_crc = crcmod.predefined.mkCrcFun(CRC_TYPE)
@@ -147,6 +150,10 @@ def upload_graphs():
 def main():
     ser = serial.Serial(SERIAL, BAUD_RATE, timeout=60.0)
 
+    if not os.path.exists(DATA_FILE) or not os.path.exists(ARCHIVE_DATA_FILE):
+        create_database()
+        sleep(60)
+
     while True:
         line = ser.readline().decode('ascii')
         if len(line) > 0: