diff --git a/atom/browser/api/atom_api_web_contents.cc b/atom/browser/api/atom_api_web_contents.cc
index f27c37ab8919..4a9c19c55f91 100644
--- a/atom/browser/api/atom_api_web_contents.cc
+++ b/atom/browser/api/atom_api_web_contents.cc
@@ -993,6 +993,10 @@ void WebContents::LoadURL(const GURL& url, const mate::Dictionary& options) {
     return;
   }
 
+  if (guest_delegate_ && !guest_delegate_->Attached()) {
+    return;
+  }
+
   content::NavigationController::LoadURLParams params(url);
 
   GURL http_referrer;
diff --git a/atom/browser/web_view_guest_delegate.cc b/atom/browser/web_view_guest_delegate.cc
index 2d16504c59f9..c8aee6a2e8d3 100644
--- a/atom/browser/web_view_guest_delegate.cc
+++ b/atom/browser/web_view_guest_delegate.cc
@@ -110,7 +110,12 @@ void WebViewGuestDelegate::DidFinishNavigation(
   }
 }
 
+void WebViewGuestDelegate::DidDetach() {
+  attached_ = false;
+}
+
 void WebViewGuestDelegate::DidAttach(int guest_proxy_routing_id) {
+  attached_ = true;
   api_web_contents_->Emit("did-attach");
   embedder_zoom_controller_ =
       WebContentsZoomController::FromWebContents(embedder_web_contents_);
diff --git a/atom/browser/web_view_guest_delegate.h b/atom/browser/web_view_guest_delegate.h
index 0d97d8095068..777639df1f51 100644
--- a/atom/browser/web_view_guest_delegate.h
+++ b/atom/browser/web_view_guest_delegate.h
@@ -47,6 +47,9 @@ class WebViewGuestDelegate : public content::BrowserPluginGuestDelegate,
   // and normal sizes.
   void SetSize(const SetSizeParams& params);
 
+  // Return true if attached.
+  bool Attached() const { return attached_; }
+
  protected:
   // content::WebContentsObserver:
   void DidFinishNavigation(
@@ -54,6 +57,7 @@ class WebViewGuestDelegate : public content::BrowserPluginGuestDelegate,
 
   // content::BrowserPluginGuestDelegate:
   void DidAttach(int guest_proxy_routing_id) final;
+  void DidDetach() final;
   content::WebContents* GetOwnerWebContents() const final;
   void GuestSizeChanged(const gfx::Size& new_size) final;
   void SetGuestHost(content::GuestHost* guest_host) final;
@@ -116,6 +120,9 @@ class WebViewGuestDelegate : public content::BrowserPluginGuestDelegate,
   // Whether the guest view is inside a plugin document.
   bool is_full_page_plugin_;
 
+  // Whether attached.
+  bool attached_;
+
   api::WebContents* api_web_contents_;
 
   DISALLOW_COPY_AND_ASSIGN(WebViewGuestDelegate);