diff --git a/data/apps/cvtt_musvc_sim.cfg b/data/apps/cvtt_musvc_sim.cfg
index ec5a66d..b3598e5 100644
--- a/data/apps/cvtt_musvc_sim.cfg
+++ b/data/apps/cvtt_musvc_sim.cfg
@@ -231,7 +231,7 @@
         }
         , "pre-subscribe": {
             "interval_sec": 60
-            , "history_depth"
+            , "history_depth_hours": 48
             , "instruments": [
                 {
                     "exch_acct": "COINBASE_AT"