diff --git a/hub/db/prefixes.py b/hub/db/prefixes.py
index 103ac14..fbf73f1 100644
--- a/hub/db/prefixes.py
+++ b/hub/db/prefixes.py
@@ -58,7 +58,7 @@ class HashXHistoryKey(NamedTuple):
 
 
 class HashXHistoryValue(NamedTuple):
-    hashXes: typing.List[int]
+    tx_nums: typing.List[int]
 
 
 class BlockHashKey(NamedTuple):