diff --git a/cdrs/fscdr.go b/cdrs/fscdr.go
index 018c6ed5d..0e086bf8a 100644
--- a/cdrs/fscdr.go
+++ b/cdrs/fscdr.go
@@ -38,7 +38,7 @@ const (
 	FS_REQTYPE      = "cgr_reqtype" //prepaid or postpaid
 	FS_TOR          = "cgr_tor"
 	FS_UUID         = "uuid" // -Unique ID for this call leg
-	FS_CSTMID       = "cgr_cstmid"
+	FS_CSTMID       = "cgr_tenant"
 	FS_CALL_DEST_NR = "dialed_extension"
 	FS_PARK_TIME    = "start_epoch"
 	FS_ANSWER_TIME  = "answer_epoch"
diff --git a/cdrs/gencdr.go b/cdrs/gencdr.go
index 42f0cb049..8eb7ec0ae 100644
--- a/cdrs/gencdr.go
+++ b/cdrs/gencdr.go
@@ -36,7 +36,7 @@ const (
 	REQTYPE      = "reqtype" //prepaid or postpaid
 	TOR          = "tor"
 	UUID         = "uuid" // -Unique ID for this call leg
-	CSTMID       = "cstmid"
+	CSTMID       = "tenant"
 	CALL_DEST_NR = "dialed_extension"
 	PARK_TIME    = "start_epoch"
 	ANSWER_TIME  = "time_answer"
diff --git a/sessionmanager/fsevent.go b/sessionmanager/fsevent.go
index 1ea240e88..91f669445 100644
--- a/sessionmanager/fsevent.go
+++ b/sessionmanager/fsevent.go
@@ -40,7 +40,7 @@ const (
 	REQTYPE            = "variable_cgr_reqtype" //prepaid or postpaid
 	TOR                = "variable_cgr_tor"
 	UUID               = "Unique-ID" // -Unique ID for this call leg
-	CSTMID             = "variable_cgr_cstmid"
+	CSTMID             = "variable_cgr_tenant"
 	CALL_DEST_NR       = "Caller-Destination-Number"
 	PARK_TIME          = "Caller-Profile-Created-Time"
 	START_TIME         = "Caller-Channel-Answered-Time"