diff --git a/azure-mobile-apps/azure-mobile-apps-tests.ts b/azure-mobile-apps/azure-mobile-apps-tests.ts
index 6ee440439..5e98e8074 100644
--- a/azure-mobile-apps/azure-mobile-apps-tests.ts
+++ b/azure-mobile-apps/azure-mobile-apps-tests.ts
@@ -29,7 +29,7 @@ mobileApp.use(function (req: any, res: any, next: any) {
 });
 
 var table = mobileApp.table()
-table.read(function (context) {
+table.read(function (context: AzureMobileApps.Context) {
     return context.execute().then(function (result: any) {
         return result;
     });