diff --git a/qa/rpc-tests/wallet.py b/qa/rpc-tests/wallet.py
index f0f7c8ca..7f9541fb 100755
--- a/qa/rpc-tests/wallet.py
+++ b/qa/rpc-tests/wallet.py
@@ -233,10 +233,7 @@ class WalletTest (BitcoinTestFramework):
         assert_equal(self.nodes[2].z_getbalance(mytaddr), Decimal('10.0'));
 
         # add zaddr to node 2
-        # payment address: tneMWwNSjPkPaz7p5ed3XJbrz8XwpfBvaha3jaGU26EstNN8HKMYVyzgwMmVcmtaw7b5uuaF4Hr8P4UPZEMkuTkXQa8STzF
-        # spending key: TKWRfN47drnaFDbHBSYT2McbPjbmFjjTrGuntj3tAMnnGDg2Kp19
-        self.nodes[2].z_importkey("TKWRfN47drnaFDbHBSYT2McbPjbmFjjTrGuntj3tAMnnGDg2Kp19")
-        myzaddr = "tneMWwNSjPkPaz7p5ed3XJbrz8XwpfBvaha3jaGU26EstNN8HKMYVyzgwMmVcmtaw7b5uuaF4Hr8P4UPZEMkuTkXQa8STzF"
+        myzaddr = self.nodes[2].z_getnewaddress()
 
         # send node 2 taddr to zaddr
         recipients = []
diff --git a/src/test/rpc_wallet_tests.cpp b/src/test/rpc_wallet_tests.cpp
index c13e240c..5a4bd3a0 100644
--- a/src/test/rpc_wallet_tests.cpp
+++ b/src/test/rpc_wallet_tests.cpp
@@ -805,7 +805,7 @@ BOOST_AUTO_TEST_CASE(rpc_z_sendmany_parameters)
         BOOST_CHECK( find_error(objError, "payment address is invalid"));
     }
 
-    // This test is for testnet addresses which begin with 't' not 'z'.
+    // Testnet payment addresses begin with 'zt'.  This test detects an incorrect prefix.
     try {
         std::vector<SendManyRecipient> recipients = { SendManyRecipient("dummy",1.0, "") };
         std::shared_ptr<AsyncRPCOperation> operation( new AsyncRPCOperation_sendmany("zcMuhvq8sEkHALuSU2i4NbNQxshSAYrpCExec45ZjtivYPbuiFPwk6WHy4SvsbeZ4siy1WheuRGjtaJmoD1J8bFqNXhsG6U", recipients, {}, 1) );
@@ -817,7 +817,7 @@ BOOST_AUTO_TEST_CASE(rpc_z_sendmany_parameters)
     // invokes a method on pwalletMain, which is undefined in the google test environment.
     try {
         std::vector<SendManyRecipient> recipients = { SendManyRecipient("dummy",1.0, "") };
-        std::shared_ptr<AsyncRPCOperation> operation( new AsyncRPCOperation_sendmany("tnpoQJVnYBZZqkFadj2bJJLThNCxbADGB5gSGeYTAGGrT5tejsxY9Zc1BtY8nnHmZkBUkJ1oSfbhTJhm72WiZizvkZz5aH1", recipients, {}, 1) );
+        std::shared_ptr<AsyncRPCOperation> operation( new AsyncRPCOperation_sendmany("ztjiDe569DPNbyTE6TSdJTaSDhoXEHLGvYoUnBU1wfVNU52TEyT6berYtySkd21njAeEoh8fFJUT42kua9r8EnhBaEKqCpP", recipients, {}, 1) );
     } catch (const Object& objError) {
         BOOST_CHECK( find_error(objError, "no spending key found for zaddr"));
     }