diff --git a/waternsw_grabber/waternsw_grabber.py b/waternsw_grabber/waternsw_grabber.py
index 2f0c1c9..c135f01 100644
--- a/waternsw_grabber/waternsw_grabber.py
+++ b/waternsw_grabber/waternsw_grabber.py
@@ -5,9 +5,10 @@ Download bore records from the WaterNSW data portal.
 import os
 import re
 import time
+import shutil
 import logging
-import requests
 import warnings
+import requests
 import pandas as pd
 from tqdm import tqdm
 from selenium import webdriver
@@ -252,9 +253,11 @@ def extract_records(input_dir, output_dir):
         if re.search('\([0-9]+\)', zip_name):
             continue
 
-        # Use '.part' file if zip was not correctly downloaded
+        # Rename '.part' file if zip was not correctly downloaded
         if os.path.getsize(os.path.join(input_dir, zip_name)) == 0:
-            zip_name += '.part'
+            shutil.move(
+                os.path.join(input_dir, zip_name) + '.part',
+                os.path.join(input_dir, zip_name))
 
         # Read csv file inside zip archive
         df = pd.read_csv(
@@ -304,8 +307,7 @@ def extract_records(input_dir, output_dir):
         ]]
 
         # Get csv name from zip archive
-        zip_name = zip_name.replace('.part', '')
         csv_name = os.path.join(output_dir, zip_name.replace('.zip', 'csv'))
 
         # Export to csv
-        master.to_csv(csv_name, float_format='%0.3f')
+        df.to_csv(csv_name, float_format='%0.3f')