diff --git a/contrib/pyln-testing/pyln/testing/utils.py b/contrib/pyln-testing/pyln/testing/utils.py
index 0cc34de159e6..1d3ee304a484 100644
--- a/contrib/pyln-testing/pyln/testing/utils.py
+++ b/contrib/pyln-testing/pyln/testing/utils.py
@@ -341,6 +341,7 @@ def __init__(self, bitcoin_dir="/tmp/bitcoind-test", rpcport=None):
             '-logtimestamps',
             '-nolisten',
             '-txindex',
+            '-wallet=""',
             '-addresstype=bech32'
         ]
         # For up to and including 0.16.1, this needs to be in main section.