diff --git a/server.py b/server.py
index 226bfa999..25b909a61 100644
--- a/server.py
+++ b/server.py
@@ -8,6 +8,12 @@ def loadClubs():
         return listOfClubs
 
 
+def saveClub(clubs):
+
+    with open('clubs.json', 'w') as c:
+        json.dump({'clubs': clubs}, c)
+
+
 def loadCompetitions():
     with open('competitions.json') as comps:
         listOfCompetitions = json.load(comps)['competitions']
@@ -65,8 +71,12 @@ def purchasePlaces():
         return render_template('welcome.html', club=club,
                                competitions=competitions)
 
+    club['points'] = str(int(club['points']) - placesRequired)
+    saveClub(clubs)
+
     competition['numberOfPlaces'] = int(
         competition['numberOfPlaces']) - placesRequired
+
     flash('Great-booking complete!')
 
     return render_template('welcome.html', club=club,
diff --git a/tests/conftest.py b/tests/conftest.py
index ca8562ecd..802b1df5c 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -1,6 +1,8 @@
+import copy
 import pytest
+import json
 
-from server import app, loadClubs, loadCompetitions
+from server import app
 
 
 @pytest.fixture
@@ -8,3 +10,15 @@ def client():
     app.config['TESTING'] = True
     with app.test_client() as client:
         yield client
+
+
+@pytest.fixture
+def test_clubs():
+    with open('clubs.json') as c:
+        return json.load(c)['clubs']
+
+
+@pytest.fixture
+def test_competitions():
+    with open('competitions.json') as comps:
+        return json.load(comps)['competitions']
diff --git a/tests/test_server.py b/tests/test_server.py
index c16576a54..07e3860c7 100644
--- a/tests/test_server.py
+++ b/tests/test_server.py
@@ -1,8 +1,8 @@
+import server
 from server import loadCompetitions, loadClubs
 
 
 def test_purchase_places(client):
-
     test_club = loadClubs()[0]
     test_competition = loadCompetitions()[0]
     places_to_purchase = 8
@@ -18,7 +18,6 @@ def test_purchase_places(client):
 
 
 def test_max_purchase_places(client):
-
     test_club = loadClubs()[0]
     test_competition = loadCompetitions()[0]
     places_to_purchase = 28
@@ -34,7 +33,6 @@ def test_max_purchase_places(client):
 
 
 def test_has_sufficient_points(client):
-
     test_club = loadClubs()[1]
     test_competition = loadCompetitions()[0]
     places_to_purchase = 9
@@ -47,3 +45,24 @@ def test_has_sufficient_points(client):
 
     assert response.status_code == 200
     assert b'Insufficiant points.' in response.data
+
+
+def test_purchase_places(client, test_clubs, test_competitions, mocker):
+
+    mocker.patch('server.loadClubs', return_value=test_clubs)
+    mocker.patch('server.loadCompetitions', return_value=test_competitions)
+    mock_save_club = mocker.patch('server.saveClub')
+
+    mocker.patch.object(server, 'clubs', test_clubs)
+    mocker.patch.object(server, 'competitions', test_competitions)
+
+    places_to_purchase = 9
+
+    response = client.post('/purchasePlaces', data={
+        'club': test_clubs[0]['name'],
+        'competition': test_competitions[0]['name'],
+        'places': str(places_to_purchase)
+    })
+
+    assert int(test_clubs[0]['points']) == 4
+    assert b'Great-booking complete!' in response.data