diff --git a/data/apps/cvtt_musvc.cfg b/data/apps/cvtt_musvc.cfg
index 8389d56..f31b4e2 100644
--- a/data/apps/cvtt_musvc.cfg
+++ b/data/apps/cvtt_musvc.cfg
@@ -149,7 +149,9 @@
             "db": {
                 "cred_key": "TSDB_CVTT_TESTER_01_DIRECT"
             }
-            , "trades_recording": [ # unconditional trades recording for 1min aggregates
+            , "trades_recording": {
+                "flush_interval_sec": 10.0
+            } # unconditional trades recording for 1min aggregates
                 {
                     "exch_acct": "COINBASE_AT"
                     , "instrument_id": "PAIR-BTC-USD"