diff --git a/data/apps/cvtt_musvc.cfg b/data/apps/cvtt_musvc.cfg
index e006a4f..f91692f 100644
--- a/data/apps/cvtt_musvc.cfg
+++ b/data/apps/cvtt_musvc.cfg
@@ -74,7 +74,7 @@
         , "channel_prefix": "${GLOBAL_CHANNEL_PREFIX}.BKPR."
         , "db": {
             "server_type": "timescale",
-            "cred_key": "TSDB_CVTT_TESTER_01_DIRECT"
+            "cred_key": "TSDB_C_TESTER_01_DIRECT"
             # "cred_key": "TSDB_CVTT_TRADINNG_PROD-01-RW"
             # "cred_key": "TSDB-CLD32-TESTER-DCKR-CMPS"
         }