diff --git a/libcef/browser/net/chrome_scheme_handler.cc b/libcef/browser/net/chrome_scheme_handler.cc
index db61d74a0..533483340 100644
--- a/libcef/browser/net/chrome_scheme_handler.cc
+++ b/libcef/browser/net/chrome_scheme_handler.cc
@@ -32,6 +32,7 @@
 #include "cef/grit/cef_resources.h"
 #include "chrome/browser/browser_about_handler.h"
 #include "chrome/browser/profiles/profile.h"
+#include "chrome/browser/ui/webui/chrome_untrusted_web_ui_controller_factory.h"
 #include "chrome/browser/ui/webui/chrome_web_ui_controller_factory.h"
 #include "chrome/browser/ui/webui/theme_source.h"
 #include "chrome/common/url_constants.h"
@@ -581,6 +582,11 @@ class CefWebUIControllerFactory : public content::WebUIControllerFactory {
     if (controller.get())
       return controller;
 
+    controller = ChromeUntrustedWebUIControllerFactory::GetInstance()
+                     ->CreateWebUIControllerForURL(web_ui, url);
+    if (controller.get())
+      return controller;
+
     return ChromeWebUIControllerFactory::GetInstance()
         ->CreateWebUIControllerForURL(web_ui, url);
   }
@@ -601,6 +607,11 @@ class CefWebUIControllerFactory : public content::WebUIControllerFactory {
     if (type != content::WebUI::kNoWebUI)
       return type;
 
+    type = ChromeUntrustedWebUIControllerFactory::GetInstance()->GetWebUIType(
+        browser_context, url);
+    if (type != content::WebUI::kNoWebUI)
+      return type;
+
     type = ChromeWebUIControllerFactory::GetInstance()->GetWebUIType(
         browser_context, url);
     if (type != content::WebUI::kNoWebUI)
@@ -621,6 +632,8 @@ class CefWebUIControllerFactory : public content::WebUIControllerFactory {
 
     if (content::ContentWebUIControllerFactory::GetInstance()->UseWebUIForURL(
             browser_context, url) ||
+        ChromeUntrustedWebUIControllerFactory::GetInstance()->UseWebUIForURL(
+            browser_context, url) ||
         ChromeWebUIControllerFactory::GetInstance()->UseWebUIForURL(
             browser_context, url)) {
       return true;
diff --git a/patch/patch.cfg b/patch/patch.cfg
index 00453e151..c258c3087 100644
--- a/patch/patch.cfg
+++ b/patch/patch.cfg
@@ -539,5 +539,11 @@ patches = [
     # Remove DCHECK that triggers while loading DevTools resources.
     # https://bugs.chromium.org/p/chromium/issues/detail?id=1289230
     'name': 'blink_security_policy_1289230',
+  },
+  {
+    # Add ChromeUntrustedWebUIControllerFactory::GetInstance() method.
+    # https://crrev.com/643a88a591e1fa448c9ee72679498e4288e7a164
+    # https://bitbucket.org/chromiumembedded/cef/issues/3047
+    'name': 'chrome_untrusted_webui_3047',
   }
 ]
diff --git a/patch/patches/chrome_untrusted_webui_3047.patch b/patch/patches/chrome_untrusted_webui_3047.patch
new file mode 100644
index 000000000..625a0df45
--- /dev/null
+++ b/patch/patches/chrome_untrusted_webui_3047.patch
@@ -0,0 +1,34 @@
+diff --git chrome/browser/ui/webui/chrome_untrusted_web_ui_controller_factory.cc chrome/browser/ui/webui/chrome_untrusted_web_ui_controller_factory.cc
+index 78d2b6eef6ca6..ebefa586902c9 100644
+--- chrome/browser/ui/webui/chrome_untrusted_web_ui_controller_factory.cc
++++ chrome/browser/ui/webui/chrome_untrusted_web_ui_controller_factory.cc
+@@ -94,9 +94,15 @@ WebUIConfigList CreateConfigs() {
+ }  // namespace
+ 
+ // static
+-void ChromeUntrustedWebUIControllerFactory::RegisterInstance() {
++ChromeUntrustedWebUIControllerFactory*
++ChromeUntrustedWebUIControllerFactory::GetInstance() {
+   static base::NoDestructor<ChromeUntrustedWebUIControllerFactory> instance;
+-  content::WebUIControllerFactory::RegisterFactory(instance.get());
++  return instance.get();
++}
++
++// static
++void ChromeUntrustedWebUIControllerFactory::RegisterInstance() {
++  content::WebUIControllerFactory::RegisterFactory(GetInstance());
+ }
+ 
+ ChromeUntrustedWebUIControllerFactory::ChromeUntrustedWebUIControllerFactory()
+diff --git chrome/browser/ui/webui/chrome_untrusted_web_ui_controller_factory.h chrome/browser/ui/webui/chrome_untrusted_web_ui_controller_factory.h
+index fd16bca71a3f0..738afa6654e42 100644
+--- chrome/browser/ui/webui/chrome_untrusted_web_ui_controller_factory.h
++++ chrome/browser/ui/webui/chrome_untrusted_web_ui_controller_factory.h
+@@ -12,6 +12,7 @@ class ChromeUntrustedWebUIControllerFactory
+  public:
+   // Register the singleton instance of this class.
+   static void RegisterInstance();
++  static ChromeUntrustedWebUIControllerFactory* GetInstance();
+ 
+   ChromeUntrustedWebUIControllerFactory();
+   ChromeUntrustedWebUIControllerFactory(