diff --git a/pkgs/desktops/gnome/extensions/freon/default.nix b/pkgs/desktops/gnome/extensions/freon/default.nix
index 90909608052b..f57330dee559 100644
--- a/pkgs/desktops/gnome/extensions/freon/default.nix
+++ b/pkgs/desktops/gnome/extensions/freon/default.nix
@@ -14,7 +14,7 @@
 
 stdenv.mkDerivation rec {
   pname = "gnome-shell-extension-freon";
-  version = "45";
+  version = "unstable-2022-02-05";
 
   passthru = {
     extensionUuid = "freon@UshakovVasilii_Github.yahoo.com";
@@ -24,8 +24,8 @@ stdenv.mkDerivation rec {
   src = fetchFromGitHub {
     owner = "UshakovVasilii";
     repo = "gnome-shell-extension-freon";
-    rev = "EGO-${version}";
-    sha256 = "sha256-tPb7SzHSwvz7VV+kZTmcw1eAdtL1J7FJ3BOtg4Us8jc=";
+    rev = "010c363d9bff8ed28000cbf8df2226dad65078fb";
+    hash = "sha256-Fb8y+HoWq+205gqwAD2DVYym1eThGZqDML5HlyhS+4M=";
   };
 
   nativeBuildInputs = [ glib ];
diff --git a/pkgs/desktops/gnome/extensions/freon/fix_paths.patch b/pkgs/desktops/gnome/extensions/freon/fix_paths.patch
index b1be13e8ff58..8efd22dc6df0 100644
--- a/pkgs/desktops/gnome/extensions/freon/fix_paths.patch
+++ b/pkgs/desktops/gnome/extensions/freon/fix_paths.patch
@@ -80,6 +80,6 @@ index 03d469b..6057a3b 100644
  function getSmartData (argv){
 -    const smartctl = GLib.find_program_in_path('smartctl')
 +    const smartctl = GLib.find_program_in_path('@smartmontools@/bin/smartctl')
-     return JSON.parse(ByteArray.toString( GLib.spawn_command_line_sync(`${smartctl} ${argv} -j`)[1] ))
+     return JSON.parse(ByteArray.toString( GLib.spawn_command_line_sync(`'${smartctl}' ${argv} -j`)[1] ))
  }