diff --git a/pkgs/by-name/gn/gnome-extension-manager/package.nix b/pkgs/by-name/gn/gnome-extension-manager/package.nix
index 9b6167322aa5..02eb300c59ef 100644
--- a/pkgs/by-name/gn/gnome-extension-manager/package.nix
+++ b/pkgs/by-name/gn/gnome-extension-manager/package.nix
@@ -18,6 +18,7 @@
 , glib
 , libbacktrace
 , text-engine
+, fetchpatch
 }:
 
 stdenv.mkDerivation rec {
@@ -54,6 +55,14 @@ stdenv.mkDerivation rec {
     text-engine
   ];
 
+  patches = [
+    # fix black window when opened, remove in next release
+    (fetchpatch {
+      url = "https://github.com/mjakeman/extension-manager/commit/91d1c42a30e12131dc3c5afd8a709e7db2a95b70.patch";
+      hash = "sha256-NtsJeqclUx4L3wbyQ46ZCoo4IKSu4/HoT/FD20xriZ4=";
+    })
+  ];
+
   mesonFlags = [
     (lib.mesonOption "package" "Nix")
     (lib.mesonOption "distributor" "nixpkgs")