diff --git a/modules/@angular/core/src/di/reflective_provider.ts b/modules/@angular/core/src/di/reflective_provider.ts
index bd55c6294f..42e97163e5 100644
--- a/modules/@angular/core/src/di/reflective_provider.ts
+++ b/modules/@angular/core/src/di/reflective_provider.ts
@@ -185,7 +185,7 @@ function _normalizeProviders(providers: Provider[], res: Provider[]): Provider[]
     if (b instanceof Type) {
       res.push({provide: b, useClass: b});
 
-    } else if (b && typeof b == 'object' && b.hasOwnProperty('provide')) {
+    } else if (b && typeof b == 'object' && (b as any).provide !== undefined) {
       res.push(b as NormalizedProvider);
 
     } else if (b instanceof Array) {
diff --git a/modules/@angular/platform-browser/src/browser/testability.ts b/modules/@angular/platform-browser/src/browser/testability.ts
index 430e1c2723..80e928f372 100644
--- a/modules/@angular/platform-browser/src/browser/testability.ts
+++ b/modules/@angular/platform-browser/src/browser/testability.ts
@@ -68,10 +68,10 @@ export class BrowserGetTestability implements GetTestability {
       });
     };
 
-    if (!global.frameworkStabilizers) {
-      global.frameworkStabilizers = ListWrapper.createGrowableSize(0);
+    if (!global['frameworkStabilizers']) {
+      global['frameworkStabilizers'] = ListWrapper.createGrowableSize(0);
     }
-    global.frameworkStabilizers.push(whenAllStable);
+    global['frameworkStabilizers'].push(whenAllStable);
   }
 
   findTestabilityInTree(registry: TestabilityRegistry, elem: any, findInAncestors: boolean):