diff --git a/atom/browser/api/atom_api_web_contents.cc b/atom/browser/api/atom_api_web_contents.cc
index abad4add4fb..64a76d57e65 100644
--- a/atom/browser/api/atom_api_web_contents.cc
+++ b/atom/browser/api/atom_api_web_contents.cc
@@ -217,6 +217,7 @@ content::ServiceWorkerContext* GetServiceWorkerContext(
 
 WebContents::WebContents(content::WebContents* web_contents)
     : content::WebContentsObserver(web_contents),
+      embedder_(nullptr),
       type_(REMOTE),
       request_id_(0),
       background_throttling_(true) {