diff --git a/basicswap/basicswap.py b/basicswap/basicswap.py
index ec8e8b4..94fbdbb 100644
--- a/basicswap/basicswap.py
+++ b/basicswap/basicswap.py
@@ -4668,7 +4668,7 @@ class BasicSwap(BaseApp):
                 + (len(txn_script)).to_bytes(1, "big")
                 + txn_script
             )
-            refund_txn = ci.setTxScriptSig(bytes.fromhex(refund_txn), 0, script)
+            refund_txn = ci.setTxScriptSig(bytes.fromhex(refund_txn), 0, script).hex()
 
         if coin_type in (Coins.NAV, Coins.DCR):
             # Only checks signature
diff --git a/basicswap/interface/pivx.py b/basicswap/interface/pivx.py
index b9715d8..e28993d 100644
--- a/basicswap/interface/pivx.py
+++ b/basicswap/interface/pivx.py
@@ -34,9 +34,6 @@ class PIVXInterface(BTCInterface):
             self._rpcport, self._rpcauth, host=self._rpc_host
         )
 
-    def checkWallets(self) -> int:
-        return 1
-
     def signTxWithWallet(self, tx):
         rv = self.rpc("signrawtransaction", [tx.hex()])
         return bytes.fromhex(rv["hex"])
diff --git a/tests/basicswap/extended/test_pivx.py b/tests/basicswap/extended/test_pivx.py
index 88c037b..d2968ad 100644
--- a/tests/basicswap/extended/test_pivx.py
+++ b/tests/basicswap/extended/test_pivx.py
@@ -701,9 +701,9 @@ class Test(unittest.TestCase):
         offer_id = swap_clients[0].postOffer(
             Coins.PIVX,
             Coins.BTC,
-            0.001 * COIN,
+            0.01 * COIN,
             1.0 * COIN,
-            0.001 * COIN,
+            0.01 * COIN,
             SwapTypes.SELLER_FIRST,
             TxLockTypes.ABS_LOCK_TIME,
         )
@@ -718,7 +718,7 @@ class Test(unittest.TestCase):
             swap_clients[0].getChainClientSettings(Coins.BTC)["override_feerate"] = 10.0
             swap_clients[0].getChainClientSettings(Coins.PIVX)[
                 "override_feerate"
-            ] = 10.0
+            ] = 100.0
             wait_for_bid(
                 delay_event, swap_clients[0], bid_id, BidStates.BID_ERROR, wait_for=60
             )