diff --git a/types/mui-datatables/index.d.ts b/types/mui-datatables/index.d.ts
index a617b00ce1..1bb27ea61d 100644
--- a/types/mui-datatables/index.d.ts
+++ b/types/mui-datatables/index.d.ts
@@ -122,7 +122,7 @@ export interface MUIDataTableOptions {
     textLabels?: MUIDataTableTextLabels;
     pagination?: boolean;
     selectableRows?: boolean;
-    IsRowSelectable?: (dataIndex: number) => boolean;
+    isRowSelectable?: (dataIndex: number) => boolean;
     resizableColumns?: boolean;
     expandableRows?: boolean;
     renderExpandableRow?: (rowData: string[], rowMeta: { dataIndex: number; rowIndex: number }) => React.ReactNode;