diff --git a/data/apps/simulation/rt_simulator.cfg b/data/apps/simulation/rt_simulator.cfg
index 700d5ab..03ece4f 100644
--- a/data/apps/simulation/rt_simulator.cfg
+++ b/data/apps/simulation/rt_simulator.cfg
@@ -44,11 +44,13 @@
                 "fee_rate": 0.006
             },
             "on_market_data": {  ## DEFAULT METHOD
-                "md_exch_acct": "COINBASE_AT",
                 "execute_on": [
                     "BOOK_TOP",
                     "TRADES"
                 ],
+                "subscribe_instruments": [
+                    {}"PAIR-BTC-USD"
+                ]
                 "top_only": true,
                 "pricing_method": "BY_MKT_TRD_PRICE_BY_TRADE",
                 "min_order_age_sec": 0.1,