diff --git a/types/datatables.net/index.d.ts b/types/datatables.net/index.d.ts
index 6d016559e9..fbcdf02f15 100644
--- a/types/datatables.net/index.d.ts
+++ b/types/datatables.net/index.d.ts
@@ -1784,6 +1784,7 @@ declare namespace DataTables {
         infoEmpty?: string;
         infoFiltered?: string;
         infoPostFix?: string;
+        decimal?: string;
         thousands?: string;
         lengthMenu?: string;
         loadingRecords?: string;