diff --git a/examples/basic_bitcoin/dfx.json b/examples/basic_bitcoin/dfx.json
index 3fcd94fb20..9e365d0fe6 100644
--- a/examples/basic_bitcoin/dfx.json
+++ b/examples/basic_bitcoin/dfx.json
@@ -17,6 +17,7 @@
     },
     "defaults": {
         "bitcoin": {
+            "canister_init_arg": "(record { stability_threshold = 1000 : nat; network = variant { regtest }; blocks_source = principal \"aaaaa-aa\"; fees = record { get_utxos_base = 0 : nat; get_utxos_cycles_per_ten_instructions = 0 : nat; get_utxos_maximum = 0 : nat; get_balance = 0 : nat; get_balance_maximum = 0 : nat; get_current_fee_percentiles = 0 : nat; get_current_fee_percentiles_maximum = 0 : nat;  send_transaction_base = 0 : nat; send_transaction_per_byte = 0 : nat; }; syncing = variant { enabled }; api_access = variant { enabled }; disable_api_if_not_fully_synced = variant { enabled }})",
             "enabled": true,
             "nodes": ["127.0.0.1:18444"],
             "log_level": "info"