--- a/dom/media/systemservices/VideoEngine.h
+++ b/dom/media/systemservices/VideoEngine.h
@@ -24,17 +24,17 @@ namespace camera {
 // it was removed (and reimplemented in Talk)
 class VideoEngine
 {
 private:
   virtual ~VideoEngine (){};
   // Base cache expiration period
   // Note because cameras use HW plug event detection, this
   // only applies to screen based modes.
-  static const int64_t kCacheExpiryPeriodMs = 1000;
+  static const int64_t kCacheExpiryPeriodMs = 2000;
 
 public:
   VideoEngine (){};
   NS_INLINE_DECL_REFCOUNTING(VideoEngine)
 
   static RefPtr<VideoEngine> Create(UniquePtr<const webrtc::Config>&& aConfig);
 #if defined(ANDROID)
   static int SetAndroidObjects(JavaVM* javaVM);