diff --git a/firefox.spec b/firefox.spec
index 5417246..db9318d 100644
--- a/firefox.spec
+++ b/firefox.spec
@@ -44,6 +44,9 @@ ExcludeArch: aarch64
 # Build PGO builds on Wayland backend
 %global pgo_wayland       0
 %endif
+%if 0%{?fedora} >= 33
+%global build_with_pgo    0
+%endif
 %if 0%{?fedora} > 30
 %global wayland_backend_default 1
 %endif
@@ -114,7 +117,7 @@ ExcludeArch: aarch64
 Summary:        Mozilla Firefox Web browser
 Name:           firefox
 Version:        80.0.1
-Release:        1%{?dist}
+Release:        2%{?dist}
 URL:            https://www.mozilla.org/firefox/
 License:        MPLv1.1 or GPLv2+ or LGPLv2+
 Source0:        https://archive.mozilla.org/pub/firefox/releases/%{version}%{?pre_version}/source/firefox-%{version}%{?pre_version}.source.tar.xz
@@ -161,6 +164,7 @@ Patch48:        build-arm-wasm.patch
 Patch49:        build-arm-libaom.patch
 #Patch50:        Bug-1610814-Fix-NEON-compile-error-with-gcc-and-RGB-.patch
 Patch51:        build-nspr.patch
+Patch52:        mozilla-1875469.patch
 
 # Fedora specific patches
 Patch215:        firefox-enable-addons.patch
@@ -363,6 +367,7 @@ This package contains results of tests executed during build.
 %patch49 -p1 -b .build-arm-libaom
 #%patch50 -p1 -b .build-arm-SwizzleNEON
 %patch51 -p1 -b .build-nspr
+%patch52 -p1 -b .mozilla-1875469
 
 # Fedora patches
 %patch215 -p1 -b .addons
@@ -962,6 +967,9 @@ gtk-update-icon-cache %{_datadir}/icons/hicolor &>/dev/null || :
 #---------------------------------------------------------------------
 
 %changelog
+* Thu Sep 4 2020 Martin Stransky <stransky@redhat.com> - 80.0.1-2
+- Added patch for mozbz#1875469
+
 * Tue Sep 1 2020 Martin Stransky <stransky@redhat.com> - 80.0.1-1
 - Updated to 80.0.1
 
diff --git a/mozilla-1875469.patch b/mozilla-1875469.patch
new file mode 100644
index 0000000..1cf5ec0
--- /dev/null
+++ b/mozilla-1875469.patch
@@ -0,0 +1,72 @@
+
+# HG changeset patch
+# User Olivier Tilloy <olivier@tilloy.net>
+# Date 1598829330 0
+# Node ID 02a9269355fc257811aca4d0966d2f8d99e17732
+# Parent  a8ca363a76ba63f62e364c3d6976ab5859d0a064
+Bug 1661715 - Move GTK function stubs to the correct section. r=karlt, a=RyanVM
+
+Differential Revision: https://phabricator.services.mozilla.com/D88588
+
+diff --git a/widget/gtk/mozgtk/mozgtk.c b/widget/gtk/mozgtk/mozgtk.c
+--- a/widget/gtk/mozgtk/mozgtk.c
++++ b/widget/gtk/mozgtk/mozgtk.c
+@@ -524,21 +524,19 @@ STUB(gtk_window_resize)
+ STUB(gtk_window_set_accept_focus)
+ STUB(gtk_window_set_decorated)
+ STUB(gtk_window_set_deletable)
+ STUB(gtk_window_set_destroy_with_parent)
+ STUB(gtk_window_set_focus_on_map)
+ STUB(gtk_window_set_geometry_hints)
+ STUB(gtk_window_set_icon_name)
+ STUB(gtk_window_set_modal)
+-STUB(gdk_window_set_opaque_region)
+ STUB(gtk_window_set_skip_taskbar_hint)
+ STUB(gtk_window_set_startup_id)
+ STUB(gtk_window_set_title)
+-STUB(gtk_window_set_titlebar)
+ STUB(gtk_window_set_transient_for)
+ STUB(gtk_window_set_type_hint)
+ STUB(gtk_window_set_wmclass)
+ STUB(gtk_window_unfullscreen)
+ STUB(gtk_window_unmaximize)
+ #endif
+ 
+ #ifdef GTK3_SYMBOLS
+@@ -549,16 +547,17 @@ STUB(gdk_device_manager_get_client_point
+ STUB(gdk_disable_multidevice)
+ STUB(gdk_device_manager_list_devices)
+ STUB(gdk_display_get_device_manager)
+ STUB(gdk_display_manager_open_display)
+ STUB(gdk_error_trap_pop_ignored)
+ STUB(gdk_event_get_source_device)
+ STUB(gdk_screen_get_monitor_workarea)
+ STUB(gdk_window_get_type)
++STUB(gdk_window_set_opaque_region)
+ STUB(gdk_x11_window_get_xid)
+ STUB(gdk_x11_display_get_type)
+ STUB(gdk_wayland_display_get_type)
+ STUB(gdk_wayland_display_get_wl_compositor)
+ STUB(gdk_wayland_display_get_wl_display)
+ STUB(gdk_wayland_window_get_wl_surface)
+ STUB(gtk_box_new)
+ STUB(gtk_cairo_should_draw_window)
+@@ -629,16 +628,17 @@ STUB(gtk_widget_path_copy)
+ STUB(gtk_widget_path_free)
+ STUB(gtk_widget_path_iter_add_class)
+ STUB(gtk_widget_path_get_object_type)
+ STUB(gtk_widget_path_length)
+ STUB(gtk_widget_path_new)
+ STUB(gtk_widget_path_unref)
+ STUB(gtk_widget_set_valign)
+ STUB(gtk_widget_set_visual)
++STUB(gtk_window_set_titlebar)
+ STUB(gtk_app_chooser_dialog_new_for_content_type)
+ STUB(gtk_app_chooser_get_type)
+ STUB(gtk_app_chooser_get_app_info)
+ STUB(gtk_app_chooser_dialog_get_type)
+ STUB(gtk_app_chooser_dialog_set_heading)
+ STUB(gtk_color_chooser_dialog_new)
+ STUB(gtk_color_chooser_dialog_get_type)
+ STUB(gtk_color_chooser_get_type)
+