diff --git a/test/functional/feature_coinstatsindex.py b/test/functional/feature_coinstatsindex.py
index 8afd0ff74a4..c70f8a83db1 100755
--- a/test/functional/feature_coinstatsindex.py
+++ b/test/functional/feature_coinstatsindex.py
@@ -40,7 +40,9 @@ class CoinStatsIndexTest(BitcoinTestFramework):
         self.num_nodes = 2
         self.supports_cli = False
         self.extra_args = [
-            [],
+            # Explicitly set the output type in order to have consistent tx vsize / fees
+            # for both legacy and descriptor wallets (disables the change address type detection algorithm)
+            ["-addresstype=bech32", "-changetype=bech32"],
             ["-coinstatsindex"]
         ]
 
diff --git a/test/functional/interface_bitcoin_cli.py b/test/functional/interface_bitcoin_cli.py
index 2ea9ebfc987..db5564ac50a 100755
--- a/test/functional/interface_bitcoin_cli.py
+++ b/test/functional/interface_bitcoin_cli.py
@@ -140,7 +140,7 @@ class TestBitcoinCli(BitcoinTestFramework):
 
         if self.is_specified_wallet_compiled():
             self.log.info("Test -getinfo and bitcoin-cli getwalletinfo return expected wallet info")
-            # Explicitely set the output type in order to have constintent tx vsize / fees
+            # Explicitly set the output type in order to have consistent tx vsize / fees
             # for both legacy and descriptor wallets (disables the change address type detection algorithm)
             self.restart_node(0, extra_args=["-addresstype=bech32", "-changetype=bech32"])
             assert_equal(Decimal(cli_get_info['Balance']), BALANCE)