diff --git a/infoscreen/hsl_fetcher.py b/infoscreen/hsl_fetcher.py
index c85e239..9acd5c4 100644
--- a/infoscreen/hsl_fetcher.py
+++ b/infoscreen/hsl_fetcher.py
@@ -35,7 +35,14 @@ class HSLFetcher:
             arr.append({"name": parsed['name_fi'], "lines": parsed['lines'],
                         "dist": element['dist'], "departures": parsed['departures']})
 
-        HSLDataModel.objects.create(data=json.dumps(arr))
+        model_arr = HSLDataModel.objects.all()
+        count = len(model_arr)
+        json_dump = json.dumps(arr)
+
+        if count == 0:
+            HSLDataModel.objects.create(data=json_dump)
+        else:
+            model_arr[count - 1].data = json_dump
 
         now = datetime.now()
         HSLFetcher.last_fetched = now