diff --git a/src/kernel/chainparams.cpp b/src/kernel/chainparams.cpp
index 56cb3a63a0e..b0e657ba45f 100644
--- a/src/kernel/chainparams.cpp
+++ b/src/kernel/chainparams.cpp
@@ -501,9 +501,9 @@ public:
             {
                 // For use by test/functional/feature_assumeutxo.py
                 .height = 299,
-                .hash_serialized = AssumeutxoHash{uint256S("0x61d9c2b29a2571a5fe285fe2d8554f91f93309666fc9b8223ee96338de25ff53")},
-                .nChainTx = 300,
-                .blockhash = uint256S("0x7e0517ef3ea6ecbed9117858e42eedc8eb39e8698a38dcbd1b3962a283233f4c")
+                .hash_serialized = AssumeutxoHash{uint256S("0xa4bf3407ccb2cc0145c49ebba8fa91199f8a3903daf0883875941497d2493c27")},
+                .nChainTx = 334,
+                .blockhash = uint256S("0x3bb7ce5eba0be48939b7a521ac1ba9316afee2c7bada3a0cca24188e6d7d96c0")
             },
         };
 
diff --git a/test/functional/feature_assumeutxo.py b/test/functional/feature_assumeutxo.py
index f26a300f704..528680f2ca9 100755
--- a/test/functional/feature_assumeutxo.py
+++ b/test/functional/feature_assumeutxo.py
@@ -7,7 +7,7 @@ a serialized version of the UTXO set at a certain height, which corresponds
 to a hash that has been compiled into bitcoind.
 
 The assumeutxo value generated and used here is committed to in
-`CRegTestParams::m_assumeutxo_data` in `src/chainparams.cpp`.
+`CRegTestParams::m_assumeutxo_data` in `src/kernel/chainparams.cpp`.
 
 ## Possible test improvements
 
@@ -40,8 +40,10 @@ from test_framework.util import (
     assert_equal,
     assert_raises_rpc_error,
 )
-from test_framework.wallet import getnewdestination
-
+from test_framework.wallet import (
+    getnewdestination,
+    MiniWallet,
+)
 
 START_HEIGHT = 199
 SNAPSHOT_BASE_HEIGHT = 299
@@ -98,10 +100,10 @@ class AssumeutxoTest(BitcoinTestFramework):
 
         self.log.info("  - snapshot file with alternated UTXO data")
         cases = [
-            [b"\xff" * 32, 0, "05030e506678f2eca8d624ffed97090ab3beadad1b51ee6e5985ba91c5720e37"], # wrong outpoint hash
-            [(1).to_bytes(4, "little"), 32, "7d29cfe2c1e242bc6f103878bb70cfffa8b4dac20dbd001ff6ce24b7de2d2399"], # wrong outpoint index
-            [b"\x81", 36, "f03939a195531f96d5dff983e294a1af62af86049fa7a19a7627246f237c03f1"], # wrong coin code VARINT((coinbase ? 1 : 0) | (height << 1))
-            [b"\x83", 36, "e4577da84590fb288c0f7967e89575e1b0aa46624669640f6f5dfef028d39930"], # another wrong coin code
+            [b"\xff" * 32, 0, "7d52155c9a9fdc4525b637ef6170568e5dad6fabd0b1fdbb9432010b8453095b"],  # wrong outpoint hash
+            [(1).to_bytes(4, "little"), 32, "9f4d897031ab8547665b4153317ae2fdbf0130c7840b66427ebc48b881cb80ad"],  # wrong outpoint index
+            [b"\x81", 36, "3da966ba9826fb6d2604260e01607b55ba44e1a5de298606b08704bc62570ea8"],  # wrong coin code VARINT((coinbase ? 1 : 0) | (height << 1))
+            [b"\x80", 36, "091e893b3ccb4334378709578025356c8bcb0a623f37c7c4e493133c988648e5"],  # another wrong coin code
         ]
 
         for content, offset, wrong_hash in cases:
@@ -109,7 +111,7 @@ class AssumeutxoTest(BitcoinTestFramework):
                 f.write(valid_snapshot_contents[:(32 + 8 + offset)])
                 f.write(content)
                 f.write(valid_snapshot_contents[(32 + 8 + offset + len(content)):])
-            expected_error(log_msg=f"[snapshot] bad snapshot content hash: expected 61d9c2b29a2571a5fe285fe2d8554f91f93309666fc9b8223ee96338de25ff53, got {wrong_hash}")
+            expected_error(log_msg=f"[snapshot] bad snapshot content hash: expected a4bf3407ccb2cc0145c49ebba8fa91199f8a3903daf0883875941497d2493c27, got {wrong_hash}")
 
     def test_invalid_chainstate_scenarios(self):
         self.log.info("Test different scenarios of invalid snapshot chainstate in datadir")
@@ -145,6 +147,8 @@ class AssumeutxoTest(BitcoinTestFramework):
         n1 = self.nodes[1]
         n2 = self.nodes[2]
 
+        self.mini_wallet = MiniWallet(n0)
+
         # Mock time for a deterministic chain
         for n in self.nodes:
             n.setmocktime(n.getblockheader(n.getbestblockhash())['time'])
@@ -157,6 +161,8 @@ class AssumeutxoTest(BitcoinTestFramework):
         # isn't waiting forever to see the header of the snapshot's base block
         # while disconnected from n0.
         for i in range(100):
+            if i % 3 == 0:
+                self.mini_wallet.send_self_transfer(from_node=n0)
             self.generate(n0, nblocks=1, sync_fun=self.no_op)
             newblock = n0.getblock(n0.getbestblockhash(), 0)
 
@@ -178,8 +184,8 @@ class AssumeutxoTest(BitcoinTestFramework):
 
         assert_equal(
             dump_output['txoutset_hash'],
-            '61d9c2b29a2571a5fe285fe2d8554f91f93309666fc9b8223ee96338de25ff53')
-        assert_equal(dump_output['nchaintx'], 300)
+            "a4bf3407ccb2cc0145c49ebba8fa91199f8a3903daf0883875941497d2493c27")
+        assert_equal(dump_output["nchaintx"], 334)
         assert_equal(n0.getblockchaininfo()["blocks"], SNAPSHOT_BASE_HEIGHT)
 
         # Mine more blocks on top of the snapshot that n1 hasn't yet seen. This
diff --git a/test/functional/wallet_assumeutxo.py b/test/functional/wallet_assumeutxo.py
index fce48682937..3c1a997bd17 100755
--- a/test/functional/wallet_assumeutxo.py
+++ b/test/functional/wallet_assumeutxo.py
@@ -16,6 +16,7 @@ from test_framework.util import (
     assert_equal,
     assert_raises_rpc_error,
 )
+from test_framework.wallet import MiniWallet
 
 START_HEIGHT = 199
 SNAPSHOT_BASE_HEIGHT = 299
@@ -55,6 +56,8 @@ class AssumeutxoTest(BitcoinTestFramework):
         n0 = self.nodes[0]
         n1 = self.nodes[1]
 
+        self.mini_wallet = MiniWallet(n0)
+
         # Mock time for a deterministic chain
         for n in self.nodes:
             n.setmocktime(n.getblockheader(n.getbestblockhash())['time'])
@@ -69,7 +72,9 @@ class AssumeutxoTest(BitcoinTestFramework):
         # though, we have to ferry over the new headers to n1 so that it
         # isn't waiting forever to see the header of the snapshot's base block
         # while disconnected from n0.
-        for _ in range(100):
+        for i in range(100):
+            if i % 3 == 0:
+                self.mini_wallet.send_self_transfer(from_node=n0)
             self.generate(n0, nblocks=1, sync_fun=self.no_op)
             newblock = n0.getblock(n0.getbestblockhash(), 0)
 
@@ -94,8 +99,8 @@ class AssumeutxoTest(BitcoinTestFramework):
 
         assert_equal(
             dump_output['txoutset_hash'],
-            '61d9c2b29a2571a5fe285fe2d8554f91f93309666fc9b8223ee96338de25ff53')
-        assert_equal(dump_output['nchaintx'], 300)
+            "a4bf3407ccb2cc0145c49ebba8fa91199f8a3903daf0883875941497d2493c27")
+        assert_equal(dump_output["nchaintx"], 334)
         assert_equal(n0.getblockchaininfo()["blocks"], SNAPSHOT_BASE_HEIGHT)
 
         # Mine more blocks on top of the snapshot that n1 hasn't yet seen. This