diff --git a/db/prefixes/prefixes.go b/db/prefixes/prefixes.go
index b6d4a7d..0c9f67b 100644
--- a/db/prefixes/prefixes.go
+++ b/db/prefixes/prefixes.go
@@ -513,7 +513,7 @@ type HashXHistoryKey struct {
 }
 
 type HashXHistoryValue struct {
-	TxNums []uint32 `struct-while:"!_eof" json:"tx_nums"`
+	TxNums []uint32 `struct:"lsb" struct-while:"!_eof" json:"tx_nums"`
 }
 
 func (k *HashXHistoryKey) String() string {