diff --git a/vso-node-api/vso-node-api-tests.ts b/vso-node-api/vso-node-api-tests.ts
index b2c188047..3e0d4f977 100644
--- a/vso-node-api/vso-node-api-tests.ts
+++ b/vso-node-api/vso-node-api-tests.ts
@@ -47,10 +47,10 @@ function test_apis() {
 	var apis: basem.ClientApiBase[] = [buildapi, coreapi, filecontainerapi, galleryapi, gitapi, taskapi, agentapi, testapi, tfvcapi, witapi];
 	var qapis: basem.QClientApiBase[] = [qbuildapi, qcoreapi, qfilecontainerapi, qgalleryapi, qgitapi, qtaskapi, qagentapi, qtestapi, qtfvcapi, qwitapi];
 
-	for(var api in apis) {
+	for(var api of apis) {
 		console.log('API user agent name: ' + api.userAgent);
 	}
-	for(var qapi in qapis) {
+	for(var qapi of qapis) {
 		console.log('Q API user agent name: ' + qapi.api.userAgent);
 	}
 }