diff --git a/data/apps/cvtt_musvc.cfg b/data/apps/cvtt_musvc.cfg
index 476a5de..a6d1720 100644
--- a/data/apps/cvtt_musvc.cfg
+++ b/data/apps/cvtt_musvc.cfg
@@ -8,7 +8,7 @@
     , "risk_strategies": @inc=http://@env{CONFIG_SERVICE}/apps/common/risk_strategies
    
     # new communication settings
-    , "comm_settings": @env{CONFIG_COMM_SETTINGS} # DEPRECATED
+    , "comm_settings": "@env{CONFIG_COMM_SETTINGS}" # DEPRECATED
     , "pubsub_settings": "@env{PUBSUB_SETTINGS_CONFIG_KEY}"
     , "cache_settings": "@env{CACHE_SETTINGS_CONFIG_KEY}"