diff --git a/tedious/tedious-tests.ts b/tedious/tedious-tests.ts
index 32c243614..f7346a174 100644
--- a/tedious/tedious-tests.ts
+++ b/tedious/tedious-tests.ts
@@ -11,7 +11,7 @@ var config: tedious.ConnectionConfig = {
 	server: "127.0.0.1",
 	options: {
 		database: "somedb",
-		instance: "someinstance"
+		instanceName: "someinstance",
 	}
 }