diff --git a/engine/responder.go b/engine/responder.go
index 15f9c9ecf..d270e0846 100644
--- a/engine/responder.go
+++ b/engine/responder.go
@@ -556,11 +556,11 @@ func (rcc *RPCClientConnector) GetDerivedChargers(attrs *utils.AttrDerivedCharge
 }
 
 func (rcc *RPCClientConnector) ProcessCdr(cdr *StoredCdr, reply *string) error {
-	return rcc.Client.Call("CDRSV1.ProcessCdr", cdr, reply)
+	return rcc.Client.Call("CdrsV1.ProcessCdr", cdr, reply)
 }
 
 func (rcc *RPCClientConnector) LogCallCost(ccl *CallCostLog, reply *string) error {
-	return rcc.Client.Call("CDRSV1.LogCallCost", ccl, reply)
+	return rcc.Client.Call("CdrsV1.LogCallCost", ccl, reply)
 }
 
 func (rcc *RPCClientConnector) GetLCR(attrs *AttrGetLcr, reply *LCRCost) error {