diff --git a/breeze/breeze.d.ts b/breeze/breeze.d.ts
index 4821ed427e..139a306299 100644
--- a/breeze/breeze.d.ts
+++ b/breeze/breeze.d.ts
@@ -459,6 +459,7 @@ declare module breeze {
     interface EntityManagerProperties {
         serviceName?: string;
         dataService?: DataService;
+        metadataStore?: MetadataStore;
         queryOptions?: QueryOptions;
         saveOptions?: SaveOptions;
         validationOptions?: ValidationOptions;