diff --git a/test/functional/wallet_encryption.py b/test/functional/wallet_encryption.py
index 704798f58..5ec241c8b 100755
--- a/test/functional/wallet_encryption.py
+++ b/test/functional/wallet_encryption.py
@@ -1,103 +1,103 @@
 #!/usr/bin/env python3
 # Copyright (c) 2016 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 Wallet encryption"""
 
 import time
 
 from test_framework.test_framework import BitcoinTestFramework
 from test_framework.util import (
     assert_equal,
     assert_raises_rpc_error,
     assert_greater_than,
     assert_greater_than_or_equal,
 )
 
 
 class WalletEncryptionTest(BitcoinTestFramework):
 
     def set_test_params(self):
         self.setup_clean_chain = True
         self.num_nodes = 1
 
     def run_test(self):
         passphrase = "WalletPassphrase"
         passphrase2 = "SecondWalletPassphrase"
 
         # Make sure the wallet isn't encrypted first
         address = self.nodes[0].getnewaddress()
         privkey = self.nodes[0].dumpprivkey(address)
         assert_equal(privkey[:1], "c")
         assert_equal(len(privkey), 52)
 
         # Encrypt the wallet
         self.nodes[0].node_encrypt_wallet(passphrase)
         self.start_node(0)
 
         # Check the encrypted wallet is marked as locked on initialization
         assert_equal(self.nodes[0].getwalletinfo()['unlocked_until'], 0)
 
         # Test that the wallet is encrypted
         assert_raises_rpc_error(
             -13, "Please enter the wallet passphrase with walletpassphrase first",
             self.nodes[0].dumpprivkey, address)
 
         # Check that walletpassphrase works
         self.nodes[0].walletpassphrase(passphrase, 2)
         assert_equal(privkey, self.nodes[0].dumpprivkey(address))
 
         # Check that the timeout is right
-        time.sleep(2)
+        time.sleep(3)
         assert_raises_rpc_error(
             -13, "Please enter the wallet passphrase with walletpassphrase first",
             self.nodes[0].dumpprivkey, address)
 
         # Test wrong passphrase
         assert_raises_rpc_error(-14, "wallet passphrase entered was incorrect",
                                 self.nodes[0].walletpassphrase, passphrase + "wrong", 10)
 
         # Test walletlock and unlocked_until values
         self.mocktime = 1
         self.nodes[0].setmocktime(self.mocktime)
         self.nodes[0].walletpassphrase(passphrase, 84600)
         assert_equal(privkey, self.nodes[0].dumpprivkey(address))
         assert_equal(
             self.nodes[0].getwalletinfo()['unlocked_until'], 1 + 84600)
         self.nodes[0].walletlock()
         assert_raises_rpc_error(
             -13, "Please enter the wallet passphrase with walletpassphrase first",
             self.nodes[0].dumpprivkey, address)
         assert_equal(self.nodes[0].getwalletinfo()['unlocked_until'], 0)
 
         # Test passphrase changes
         self.nodes[0].walletpassphrasechange(passphrase, passphrase2)
         assert_raises_rpc_error(-14, "wallet passphrase entered was incorrect",
                                 self.nodes[0].walletpassphrase, passphrase, 10)
         self.nodes[0].walletpassphrase(passphrase2, 10)
         assert_equal(privkey, self.nodes[0].dumpprivkey(address))
         self.nodes[0].walletlock()
 
         # Test timeout bounds
         assert_raises_rpc_error(-8, "Timeout cannot be negative.",
                                 self.nodes[0].walletpassphrase, passphrase2, -10)
         # Check the timeout
         # Check a time less than the limit
         MAX_VALUE = 100000000
         expected_time = self.mocktime + MAX_VALUE - 600
         self.nodes[0].walletpassphrase(passphrase2, MAX_VALUE - 600)
         actual_time = self.nodes[0].getwalletinfo()['unlocked_until']
         assert_greater_than_or_equal(actual_time, expected_time)
         # 5 second buffer
         assert_greater_than(expected_time + 5, actual_time)
         # Check a time greater than the limit
         expected_time = self.mocktime + MAX_VALUE - 1
         self.nodes[0].walletpassphrase(passphrase2, MAX_VALUE + 1000)
         actual_time = self.nodes[0].getwalletinfo()['unlocked_until']
         assert_greater_than_or_equal(actual_time, expected_time)
         # 5 second buffer
         assert_greater_than(expected_time + 5, actual_time)
 
 
 if __name__ == '__main__':
     WalletEncryptionTest().main()