diff --git a/libcef/browser/browser_host_impl.cc b/libcef/browser/browser_host_impl.cc
index 974de0fab..1a99eac99 100644
--- a/libcef/browser/browser_host_impl.cc
+++ b/libcef/browser/browser_host_impl.cc
@@ -1576,6 +1576,11 @@ CefRefPtr<CefFrame> CefBrowserHostImpl::GetFrameForHost(
   return browser_info_->GetFrameForHost(host);
 }
 
+CefRefPtr<CefFrame> CefBrowserHostImpl::GetFrameForFrameTreeNode(
+    int frame_tree_node_id) {
+  return browser_info_->GetFrameForFrameTreeNode(frame_tree_node_id, nullptr);
+}
+
 void CefBrowserHostImpl::LoadMainFrameURL(const std::string& url,
                                           const content::Referrer& referrer,
                                           ui::PageTransition transition,
diff --git a/libcef/browser/browser_host_impl.h b/libcef/browser/browser_host_impl.h
index 807770d7d..94e687089 100644
--- a/libcef/browser/browser_host_impl.h
+++ b/libcef/browser/browser_host_impl.h
@@ -299,6 +299,9 @@ class CefBrowserHostImpl : public CefBrowserHost,
   // Returns the frame associated with the specified RenderFrameHost.
   CefRefPtr<CefFrame> GetFrameForHost(const content::RenderFrameHost* host);
 
+  // Returns the frame associated with the specified FrameTreeNode ID.
+  CefRefPtr<CefFrame> GetFrameForFrameTreeNode(int frame_tree_node_id);
+
   // Load the specified URL in the main frame.
   void LoadMainFrameURL(const std::string& url,
                         const content::Referrer& referrer,
diff --git a/libcef/browser/content_browser_client.cc b/libcef/browser/content_browser_client.cc
index e8dc210d6..b5c738e70 100644
--- a/libcef/browser/content_browser_client.cc
+++ b/libcef/browser/content_browser_client.cc
@@ -429,6 +429,7 @@ bool NavigationOnUIThread(
     bool is_main_frame,
     int64_t frame_id,
     int64_t parent_frame_id,
+    int frame_tree_node_id,
     content::WebContents* source,
     const navigation_interception::NavigationParams& params) {
   CEF_REQUIRE_UIT();
@@ -447,7 +448,9 @@ bool NavigationOnUIThread(
           frame = browser->GetMainFrame();
         } else if (frame_id >= 0) {
           frame = browser->GetFrame(frame_id);
-          DCHECK(frame);
+        }
+        if (!frame && frame_tree_node_id >= 0) {
+          frame = browser->GetFrameForFrameTreeNode(frame_tree_node_id);
         }
         if (!frame) {
           // Create a temporary frame object for navigation of sub-frames that
@@ -1115,7 +1118,7 @@ CefContentBrowserClient::CreateThrottlesForNavigation(
       std::make_unique<navigation_interception::InterceptNavigationThrottle>(
           navigation_handle,
           base::Bind(&NavigationOnUIThread, is_main_frame, frame_id,
-                     parent_frame_id),
+                     parent_frame_id, navigation_handle->GetFrameTreeNodeId()),
           navigation_interception::SynchronyMode::kSync);
   throttles.push_back(std::move(throttle));