diff --git a/data/apps/cvtt_musvc_sim.cfg b/data/apps/cvtt_musvc_sim.cfg
index 8acbe7f..17232c6 100644
--- a/data/apps/cvtt_musvc_sim.cfg
+++ b/data/apps/cvtt_musvc_sim.cfg
@@ -110,7 +110,7 @@
         , "historical_md": {
             "db": {
                 # "cred_key": "TSDB-CLD32-TESTER-DCKR-CMPS"
-                "cred_key": "TSDB-CLD32-TESTER-DCKR-CMPS"
+                "cred_key": "TSDB-CLD32-TESTER-DIRECT"
             }
             , "trades_recording": { # unconditional trades recording for 1min aggregates
                 "flush_interval_sec": 5.0