diff --git a/engine/storage_mongo_datadb.go b/engine/storage_mongo_datadb.go
index cb172108e..dbebe3d50 100644
--- a/engine/storage_mongo_datadb.go
+++ b/engine/storage_mongo_datadb.go
@@ -24,6 +24,7 @@ import (
 	"fmt"
 	"io/ioutil"
 	"strings"
+	"time"
 
 	"github.com/cgrates/cgrates/cache"
 	"github.com/cgrates/cgrates/config"
@@ -112,7 +113,7 @@ func NewMongoStorage(host, port, db, user, pass, storageType string, cdrsIndexes
 			return nil, err
 		}
 	}
-	ms.cnter = utils.NewCounterGen(0)
+	ms.cnter = utils.NewCounterGen(time.Now().UnixNano(), 0)
 	return
 }
 
diff --git a/utils/coreutils.go b/utils/coreutils.go
index c8996c748..45ac42777 100644
--- a/utils/coreutils.go
+++ b/utils/coreutils.go
@@ -40,9 +40,9 @@ import (
 	"time"
 )
 
-func NewCounterGen(limit int64) *CounterGen {
+func NewCounterGen(start, limit int64) *CounterGen {
 	return &CounterGen{
-		cnt:   time.Now().UnixNano(),
+		cnt:   start,
 		limit: limit,
 	}
 }