diff --git a/atom/browser/api/atom_api_web_contents.cc b/atom/browser/api/atom_api_web_contents.cc
index 708b9c902b7a..24a8f881b4e2 100644
--- a/atom/browser/api/atom_api_web_contents.cc
+++ b/atom/browser/api/atom_api_web_contents.cc
@@ -305,6 +305,10 @@ WebContents::WebContents(v8::Isolate* isolate, const mate::Dictionary& options)
       request_id_(0),
       background_throttling_(true),
       enable_devtools_(true) {
+  // WebContents may need to emit events when it is garbage collected, so it
+  // has to be deleted in the first gc callback.
+  MarkHighMemoryUsage();
+
   // Read options.
   options.Get("backgroundThrottling", &background_throttling_);