diff --git a/engine/account.go b/engine/account.go
index f8dfc1f3a..5043ba404 100644
--- a/engine/account.go
+++ b/engine/account.go
@@ -701,7 +701,7 @@ func (acc *Account) InitCounters() {
 			acc.UnitCounters[at.Balance.GetType()] = append(acc.UnitCounters[at.Balance.GetType()], uc)
 		}
 
-		c := &CounterFilter{Filter: at.Balance}
+		c := &CounterFilter{Filter: at.Balance.Clone()}
 		if (c.Filter.ID == nil || *c.Filter.ID == "") && at.UniqueID != "" {
 			c.Filter.ID = utils.StringPointer(at.UniqueID)
 		}