diff --git a/patch/patch.cfg b/patch/patch.cfg
index c3468a673..fbe7a1c6b 100644
--- a/patch/patch.cfg
+++ b/patch/patch.cfg
@@ -498,5 +498,11 @@ patches = [
     # iframes.
     # https://bugs.chromium.org/p/chromium/issues/detail?id=1081397#c9
     'name': 'browser_security_policy_1081397',
+  },
+  {
+    # Linux: Fix undefined symbol: ui::GtkUiDelegate::SetInstance in
+    # ChromeBrowserMainExtraPartsViewsLinux::ToolkitInitialized.
+    # https://bugs.chromium.org/p/chromium/issues/detail?id=1085806
+    'name': 'linux_chrome_views_1085806',
   }
 ]
diff --git a/patch/patches/linux_chrome_views_1085806.patch b/patch/patches/linux_chrome_views_1085806.patch
new file mode 100644
index 000000000..f56045546
--- /dev/null
+++ b/patch/patches/linux_chrome_views_1085806.patch
@@ -0,0 +1,13 @@
+diff --git chrome/browser/ui/views/chrome_browser_main_extra_parts_views_linux.cc chrome/browser/ui/views/chrome_browser_main_extra_parts_views_linux.cc
+index 55026be5292d..589e2c3afd28 100644
+--- chrome/browser/ui/views/chrome_browser_main_extra_parts_views_linux.cc
++++ chrome/browser/ui/views/chrome_browser_main_extra_parts_views_linux.cc
+@@ -45,7 +45,7 @@ ChromeBrowserMainExtraPartsViewsLinux::
+ }
+ 
+ void ChromeBrowserMainExtraPartsViewsLinux::ToolkitInitialized() {
+-#if defined(USE_X11)
++#if defined(USE_X11) && BUILDFLAG(USE_GTK)
+   // In Aura/X11, Gtk-based LinuxUI implementation is used, so we instantiate
+   // and inject the GtkUiDelegate before ChromeBrowserMainExtraPartsViewsLinux,
+   // so it can properly initialize GtkUi on its |ToolkitInitialized| override.