diff --git a/packages/core/src/storage/vectorStore/types.ts b/packages/core/src/storage/vectorStore/types.ts
index 08ae45e333116de9f7e0b5ad6a58cef7c6f16faa..67b4afc986b44a1214078f645288b066092d392b 100644
--- a/packages/core/src/storage/vectorStore/types.ts
+++ b/packages/core/src/storage/vectorStore/types.ts
@@ -21,6 +21,7 @@ export enum VectorStoreQueryMode {
 }
 
 export interface ExactMatchFilter {
+  filterType: "ExactMatch";
   key: string;
   value: string | number;
 }