diff --git a/gratipay/main.py b/gratipay/main.py
index eef8d010d9..c79850c1e3 100644
--- a/gratipay/main.py
+++ b/gratipay/main.py
@@ -65,6 +65,7 @@
 tell_sentry = website.tell_sentry = gratipay.wireup.make_sentry_teller(env)
 website.db = gratipay.wireup.db(env)
 website.mailer = gratipay.wireup.mail(env, website.project_root)
+gratipay.wireup.settings(website.db)
 gratipay.wireup.base_url(website, env)
 gratipay.wireup.secure_cookies(env)
 gratipay.wireup.billing(env)
diff --git a/gratipay/testing/__init__.py b/gratipay/testing/__init__.py
index f7f30856b5..60507d105f 100644
--- a/gratipay/testing/__init__.py
+++ b/gratipay/testing/__init__.py
@@ -115,7 +115,8 @@ def clear_tables(self):
             except (IntegrityError, InternalError):
                 tablenames.insert(0, tablename)
         self.db.run("ALTER SEQUENCE participants_id_seq RESTART WITH 1")
-        self.db.run("INSERT INTO settings DEFAULT VALUES")
+
+        gratipay.wireup.settings(self.db)
 
 
     def make_elsewhere(self, platform, user_id, user_name, **kw):
diff --git a/gratipay/wireup.py b/gratipay/wireup.py
index ad9ffe6844..4079f32e2c 100644
--- a/gratipay/wireup.py
+++ b/gratipay/wireup.py
@@ -57,11 +57,13 @@ def db(env):
         db.register_model(model)
     gratipay.billing.payday.Payday.db = db
 
-    from gratipay.billing.exchanges import MINIMUM_CHARGE
-    db.run('UPDATE settings SET minimum_charge=%s', (MINIMUM_CHARGE,))
-
     return db
 
+def settings(db):
+    from gratipay.billing.exchanges import MINIMUM_CHARGE
+    db.run('DELETE FROM settings')
+    db.run('INSERT INTO settings VALUES (%s)', (MINIMUM_CHARGE, ))
+
 def mail(env, project_root='.'):
     Participant._mailer = mandrill.Mandrill(env.mandrill_key)
     emails = {}