diff --git a/test/functional/multiwallet.py b/test/functional/multiwallet.py
index ee98b29ef..129c4dae9 100755
--- a/test/functional/multiwallet.py
+++ b/test/functional/multiwallet.py
@@ -1,75 +1,75 @@
 #!/usr/bin/env python3
 # Copyright (c) 2017 The Bitcoin Core developers
 # Distributed under the MIT software license, see the accompanying
 # file COPYING or http://www.opensource.org/licenses/mit-license.php.
 """Test multiwallet.
 
 Verify that a bitcoind node can load multiple wallet files
 """
 import os
 
 from test_framework.test_framework import BitcoinTestFramework
 from test_framework.util import *
 
 
 class MultiWalletTest(BitcoinTestFramework):
 
     def __init__(self):
         super().__init__()
         self.setup_clean_chain = True
         self.num_nodes = 1
         self.extra_args = [['-wallet=w1', '-wallet=w2', '-wallet=w3']]
 
     def run_test(self):
         self.stop_node(0)
 
         # should not initialize if there are duplicate wallets
-        assert_start_raises_init_error(0, self.options.tmpdir, [
+        self.assert_start_raises_init_error(0, self.options.tmpdir, [
             '-wallet=w1', '-wallet=w1'], 'Error loading wallet w1. Duplicate -wallet filename specified.')
 
         # should not initialize if wallet file is a directory
         os.mkdir(os.path.join(self.options.tmpdir, 'node0', 'regtest', 'w11'))
-        assert_start_raises_init_error(0, self.options.tmpdir, [
+        self.assert_start_raises_init_error(0, self.options.tmpdir, [
             '-wallet=w11'], 'Error loading wallet w11. -wallet filename must be a regular file.')
 
         # should not initialize if wallet file is a symlink
         os.symlink(os.path.join(self.options.tmpdir, 'node0', 'regtest', 'w1'),
                    os.path.join(self.options.tmpdir, 'node0', 'regtest', 'w12'))
-        assert_start_raises_init_error(0, self.options.tmpdir, [
+        self.assert_start_raises_init_error(0, self.options.tmpdir, [
             '-wallet=w12'], 'Error loading wallet w12. -wallet filename must be a regular file.')
 
         self.nodes[0] = self.start_node(
             0, self.options.tmpdir, self.extra_args[0])
 
         w1 = self.nodes[0] / "wallet/w1"
         w1.generate(1)
 
         # accessing wallet RPC without using wallet endpoint fails
         assert_raises_jsonrpc(-32601, "Method not found",
                               self.nodes[0].getwalletinfo)
 
         # check w1 wallet balance
         walletinfo = w1.getwalletinfo()
         assert_equal(walletinfo['immature_balance'], 50)
 
         # check w1 wallet balance
         w2 = self.nodes[0] / "wallet/w2"
         walletinfo = w2.getwalletinfo()
         assert_equal(walletinfo['immature_balance'], 0)
 
         w3 = self.nodes[0] / "wallet/w3"
 
         w1.generate(101)
         assert_equal(w1.getbalance(), 100)
         assert_equal(w2.getbalance(), 0)
         assert_equal(w3.getbalance(), 0)
 
         w1.sendtoaddress(w2.getnewaddress(), 1)
         w1.sendtoaddress(w3.getnewaddress(), 2)
         w1.generate(1)
         assert_equal(w2.getbalance(), 1)
         assert_equal(w3.getbalance(), 2)
 
 
 if __name__ == '__main__':
     MultiWalletTest().main()