diff --git a/packages/notion-types/src/block.ts b/packages/notion-types/src/block.ts
index ff699677..06628b4a 100644
--- a/packages/notion-types/src/block.ts
+++ b/packages/notion-types/src/block.ts
@@ -193,6 +193,9 @@ export interface BulletedListBlock extends BaseTextBlock {
 
 export interface NumberedListBlock extends BaseTextBlock {
   type: 'numbered_list'
+  format?: BaseTextBlock['format'] & {
+    list_start_index?: number
+  }
 }
 
 export interface HeaderBlock extends BaseTextBlock {
diff --git a/packages/react-notion-x/src/utils.ts b/packages/react-notion-x/src/utils.ts
index c4025727..4358b34c 100644
--- a/packages/react-notion-x/src/utils.ts
+++ b/packages/react-notion-x/src/utils.ts
@@ -45,7 +45,11 @@ export const getListNumber = (blockId: string, blockMap: BlockMap) => {
     return
   }
 
-  return group.indexOf(blockId) + 1
+  const groupIndex = group.indexOf(blockId) + 1
+  const startIndex = blockMap[blockId]?.value.format?.list_start_index
+  return blockMap[blockId]?.value.type === 'numbered_list'
+    ? (startIndex ?? groupIndex)
+    : groupIndex
 }
 
 export const getListNestingLevel = (