diff --git a/pkgs/desktops/xfce/core/xfce4-power-manager/default.nix b/pkgs/desktops/xfce/core/xfce4-power-manager/default.nix
index 3a4285b33b7..8755234cbc8 100644
--- a/pkgs/desktops/xfce/core/xfce4-power-manager/default.nix
+++ b/pkgs/desktops/xfce/core/xfce4-power-manager/default.nix
@@ -1,21 +1,30 @@
-{ lib, mkXfceDerivation, automakeAddFlags, exo, gtk3, libnotify
-, libxfce4ui, libxfce4util, upower, xfconf, xfce4-panel }:
+{ lib
+, mkXfceDerivation
+, gtk3
+, libnotify
+, libxfce4ui
+, libxfce4util
+, upower
+, xfconf
+, xfce4-panel
+}:
 
 mkXfceDerivation {
   category = "xfce";
   pname = "xfce4-power-manager";
-  version = "4.18.1";
+  version = "4.18.2";
 
-  sha256 = "sha256-H9tu94ZQLLQhXIDtIWL3qZJo/ux2xC2Y9m7uwwey8M8=";
+  sha256 = "sha256-1+DP5CACzzj96FyRTeCdVEFORnpzFT49d9Uk1iijbFs=";
 
-  nativeBuildInputs = [ automakeAddFlags exo ];
-  buildInputs = [ gtk3 libnotify libxfce4ui libxfce4util upower xfconf xfce4-panel ];
-
-  postPatch = ''
-    substituteInPlace configure.ac.in --replace gio-2.0 gio-unix-2.0
-    automakeAddFlags src/Makefile.am xfce4_power_manager_CFLAGS GIO_CFLAGS
-    automakeAddFlags settings/Makefile.am xfce4_power_manager_settings_CFLAGS GIO_CFLAGS
-  '';
+  buildInputs = [
+    gtk3
+    libnotify
+    libxfce4ui
+    libxfce4util
+    upower
+    xfconf
+    xfce4-panel
+  ];
 
   meta = with lib; {
     description = "A power manager for the Xfce Desktop Environment";