diff --git a/rowers/dataprep.py b/rowers/dataprep.py
index 5d5bf406..662499f9 100644
--- a/rowers/dataprep.py
+++ b/rowers/dataprep.py
@@ -29,6 +29,7 @@ from rowingdata import (
 from rowers.models import Team
 
 import os
+import zipfile
 import pandas as pd
 import numpy as np
 import itertools
@@ -573,7 +574,7 @@ def new_workout_from_file(r,f2,
             # from the NK zip file (issue #69 on bitbucket)
             f2 = z.extract(z.namelist()[0],path='media/')
             fileformat = fileformat[2]
-            os.remove(f_to_be_deleted)
+        os.remove(f_to_be_deleted)
 
     # Some people try to upload Concept2 logbook summaries
     if fileformat == 'c2log':
diff --git a/rowers/testdata/zipfile.zip b/rowers/testdata/zipfile.zip
new file mode 100644
index 00000000..4fcb08ee
Binary files /dev/null and b/rowers/testdata/zipfile.zip differ
diff --git a/rowers/tests.py b/rowers/tests.py
index d67a8dcc..7966ad25 100644
--- a/rowers/tests.py
+++ b/rowers/tests.py
@@ -1146,6 +1146,7 @@ class ViewTest(TestCase):
 	f_to_be_deleted = w.csvfilename
 	os.remove(f_to_be_deleted+'.gz')
 
+        
 #    def test_upload_view_FIT_SpeedCoach2a(self):
 #	self.c.login(username='john',password='koeinsloot')