diff --git a/pkgs/tools/inputmethods/fcitx/fcitx-configtool.nix b/pkgs/tools/inputmethods/fcitx/fcitx-configtool.nix
index 8bbd28f82a3..80abc5dd20c 100644
--- a/pkgs/tools/inputmethods/fcitx/fcitx-configtool.nix
+++ b/pkgs/tools/inputmethods/fcitx/fcitx-configtool.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, pkgconfig, cmake, fcitx, gtk3, isocodes }:
+{ stdenv, fetchurl, makeWrapper, pkgconfig, cmake, fcitx, gtk3, isocodes, gnome3 }:
 
 stdenv.mkDerivation rec {
   name = "fcitx-configtool-0.4.8";
@@ -15,6 +15,12 @@ stdenv.mkDerivation rec {
     sha256 = "1vaim0namw58bfafbvws1vgd4010p19zwqfbx6bd1zi5sgchdg0f";
   };
 
-  buildInputs = [ fcitx cmake isocodes pkgconfig gtk3 ];
+  buildInputs = [ makeWrapper fcitx cmake isocodes pkgconfig gtk3
+    gnome3.defaultIconTheme ];
+
+  preFixup = ''
+    wrapProgram $out/bin/fcitx-config-gtk3 \
+      --prefix XDG_DATA_DIRS : "$XDG_ICON_DIRS";
+  '';
 }