diff --git a/pkgs/desktops/xfce4-13/xfce4-panel/default.nix b/pkgs/desktops/xfce4-13/xfce4-panel/default.nix
index 7960ee84e38e..2b52b515c04e 100644
--- a/pkgs/desktops/xfce4-13/xfce4-panel/default.nix
+++ b/pkgs/desktops/xfce4-13/xfce4-panel/default.nix
@@ -1,4 +1,4 @@
-{ mkXfceDerivation, makeWrapper, exo, garcon, gtk2, gtk3, gettext, glib-networking, libxfce4ui, libxfce4util, libwnck3, xfconf }:
+{ mkXfceDerivation, makeWrapper, tzdata, exo, garcon, gtk2, gtk3, gettext, glib-networking, libxfce4ui, libxfce4util, libwnck3, xfconf }:
 
 mkXfceDerivation rec {
   category = "xfce";
@@ -17,6 +17,9 @@ mkXfceDerivation rec {
     for f in $(find . -name \*.sh); do
       substituteInPlace $f --replace gettext ${gettext}/bin/gettext
     done
+    substituteInPlace plugins/clock/clock.c \
+       --replace "/usr/share/zoneinfo" "${tzdata}/share/zoneinfo" \
+       --replace "if (!g_file_test (filename, G_FILE_TEST_IS_SYMLINK))" ""
   '';
 
   configureFlags = [ "--enable-gtk3" ];