diff --git a/data/apps/cvtt_musvc.cfg b/data/apps/cvtt_musvc.cfg
index b5f04b7..bb610a2 100644
--- a/data/apps/cvtt_musvc.cfg
+++ b/data/apps/cvtt_musvc.cfg
@@ -168,8 +168,7 @@
         , "channel_prefix": "${GLOBAL_CHANNEL_PREFIX}.PXER."
         , "historical_md": {
             "db": {
-                # "cred_key": "TSDB_CVTT_TESTER_01_DIRECT"
-                "cred_key": "TSDB-CLD29-OHLCV-DIRECT"
+                "cred_key": "TSDB-CLD32-PROD-OHLCV-DIRECT-RO"
             }
             , "enable_mda_recording": false # RO account is used
         }