diff --git a/matemat/db/facade.py b/matemat/db/facade.py
index 957c744..43a150f 100644
--- a/matemat/db/facade.py
+++ b/matemat/db/facade.py
@@ -471,8 +471,7 @@ class MatematDatabase(object):
 
     def increment_consumption(self, user: User, product: Product) -> None:
         """
-        Decrement the user's balance by the price of the product, decrement the products stock, and create an entry in
-        the statistics table.
+        Decrement the user's balance by the price of the product and create an entry in the statistics table.
 
         :param user: The user buying a product.
         :param product: The product the user is buying.
diff --git a/matemat/db/test/test_facade.py b/matemat/db/test/test_facade.py
index d232352..d3e34fb 100644
--- a/matemat/db/test/test_facade.py
+++ b/matemat/db/test/test_facade.py
@@ -279,7 +279,7 @@ class DatabaseTest(unittest.TestCase):
             self.assertEqual('Flora Power Mate', product.name)
             self.assertEqual(150, product.price_member)
             self.assertEqual(250, product.price_non_member)
-            self.assertEqual(42, product.stock)
+            self.assertEqual(None, product.stock)
             self.assertEqual(False, product.stockable)
             # Changes must be reflected in the database
             checkproduct = db.get_product(product.id)
@@ -367,11 +367,8 @@ class DatabaseTest(unittest.TestCase):
                 self.assertEqual(1234, c.fetchone()[0])
 
             user1.id = -1
-            clubmate.id = -1
             with self.assertRaises(DatabaseConsistencyError):
                 db.increment_consumption(user1, florapowermate)
-            with self.assertRaises(DatabaseConsistencyError):
-                db.increment_consumption(user2, clubmate)
 
     def test_check_receipt_due(self):
         with self.db as db:
@@ -475,7 +472,7 @@ class DatabaseTest(unittest.TestCase):
 
             admin: User = db.create_user('admin', 'supersecurepassword', 'admin@example.com', True, True)
             user: User = db.create_user('user', 'supersecurepassword', 'user@example.com', True, True)
-            product: Product = db.create_product('Flora Power Mate', 200, 200)
+            product: Product = db.create_product('Flora Power Mate', 200, 200, True)
 
             # Create some transactions
             db.change_user(user, agent=admin,
@@ -564,8 +561,8 @@ class DatabaseTest(unittest.TestCase):
             user2: User = db.create_user('user2', 'supersecurepassword', 'user2@example.com', True, False)
             user3: User = db.create_user('user3', 'supersecurepassword', 'user3@example.com', True, False)
             user4: User = db.create_user('user4', 'supersecurepassword', 'user4@example.com', True, False)
-            flora: Product = db.create_product('Flora Power Mate', 200, 200)
-            club: Product = db.create_product('Club Mate', 200, 200)
+            flora: Product = db.create_product('Flora Power Mate', 200, 200, True)
+            club: Product = db.create_product('Club Mate', 200, 200, False)
 
             # Create some transactions
             db.deposit(user1, 1337)