diff --git a/test/functional/wallet_resendwallettransactions.py b/test/functional/wallet_resendwallettransactions.py
index f36d8efda7074..f61e1edc1def7 100755
--- a/test/functional/wallet_resendwallettransactions.py
+++ b/test/functional/wallet_resendwallettransactions.py
@@ -5,6 +5,8 @@
 """Test that the wallet resends transactions periodically."""
 import time
 
+from decimal import Decimal
+
 from test_framework.blocktools import (
     create_block,
     create_coinbase,
@@ -15,6 +17,8 @@
 from test_framework.util import (
     assert_equal,
     assert_raises_rpc_error,
+    get_fee,
+    try_rpc,
 )
 
 class ResendWalletTransactionsTest(BitcoinTestFramework):
@@ -86,18 +90,34 @@ def run_test(self):
         # ordering of mapWallet is, if the child is not before the parent, we will create a new
         # child (via bumpfee) and remove the old child (via removeprunedfunds) until we get the
         # ordering of child before parent.
-        child_txid = node.send(outputs=[{addr: 0.5}], inputs=[{"txid":txid, "vout":0}])["txid"]
+        child_inputs = [{"txid": txid, "vout": 0}]
+        child_txid = node.sendall(recipients=[addr], inputs=child_inputs)["txid"]
+        # Get the child tx's info for manual bumping
+        child_tx_info = node.gettransaction(txid=child_txid, verbose=True)
+        child_output_value = child_tx_info["decoded"]["vout"][0]["value"]
+        # Include an additional 1 vbyte buffer to handle when we have a smaller signature
+        additional_child_fee = get_fee(child_tx_info["decoded"]["vsize"] + 1, Decimal(0.00001100))
         while True:
             txids = node.listreceivedbyaddress(minconf=0, address_filter=addr)[0]["txids"]
             if txids == [child_txid, txid]:
                 break
-            bumped = node.bumpfee(child_txid)
+            # Manually bump the tx
+            # The inputs and the output address stay the same, just changing the amount for the new fee
+            child_output_value -= additional_child_fee
+            bumped_raw = node.createrawtransaction(inputs=child_inputs, outputs=[{addr: child_output_value}])
+            bumped = node.signrawtransactionwithwallet(bumped_raw)
+            bumped_txid = node.decoderawtransaction(bumped["hex"])["txid"]
+            # Sometimes we will get a signature that is a little bit shorter than we expect which causes the
+            # feerate to be a bit higher, then the followup to be a bit lower. This results in a replacement
+            # that can't be broadcast. We can just skip that and keep grinding.
+            if try_rpc(-26, "insufficient fee, rejecting replacement", node.sendrawtransaction, bumped["hex"]):
+                continue
             # The scheduler queue creates a copy of the added tx after
             # send/bumpfee and re-adds it to the wallet (undoing the next
             # removeprunedfunds). So empty the scheduler queue:
             node.syncwithvalidationinterfacequeue()
             node.removeprunedfunds(child_txid)
-            child_txid = bumped["txid"]
+            child_txid = bumped_txid
         entry_time = node.getmempoolentry(child_txid)["time"]
 
         block_time = entry_time + 6 * 60