diff --git a/data/refdata/exchanges.cfg b/data/refdata/exchanges.cfg
index 93e944c..60875b1 100644
--- a/data/refdata/exchanges.cfg
+++ b/data/refdata/exchanges.cfg
@@ -3,7 +3,7 @@
 {
     "__DUMMY__": {}
     # ----------------------------- A
-    , "TRADING_SIMULATOR": {
+    , "__TRADING_SIMULATOR__": {
         # "exchange_id":          "COINBASE"
         # , "name":               "Coinbase AT (Simulated)"
         # , "type":               "SPOT"