diff --git a/packages/core/client/src/schema-component/antd/association-field/Table.tsx b/packages/core/client/src/schema-component/antd/association-field/Table.tsx
index d50eb018b1..851e223b8d 100644
--- a/packages/core/client/src/schema-component/antd/association-field/Table.tsx
+++ b/packages/core/client/src/schema-component/antd/association-field/Table.tsx
@@ -144,7 +144,7 @@ const useTableColumns = (props: { showDel?: any; isSubTable?: boolean }, paginat
                 <RecordIndexProvider index={record.__index || index}>
                   <RecordProvider isNew={isNewRecord(record)} record={record} parent={parentRecordData}>
                     <ColumnFieldProvider schema={s} basePath={basePath}>
-                      <span role="button" className={schemaToolbarBigger}>
+                      <span role="button" className={schemaToolbarBigger} key={index}>
                         <RecursionField basePath={basePath} schema={s} onlyRenderProperties />
                       </span>
                     </ColumnFieldProvider>