diff --git a/data/apps/simulation/rt_simulator.cfg b/data/apps/simulation/rt_simulator.cfg
index 39064fe..a17377d 100644
--- a/data/apps/simulation/rt_simulator.cfg
+++ b/data/apps/simulation/rt_simulator.cfg
@@ -64,6 +64,7 @@
         },
     },
     "accounting": {
+        "exch_acct": "COINBASE_AT"
         "api": {
             "REST": {
                 "port": @env{SIM_ACCOUNTING_REST_PORT},