diff --git a/pkgs/development/libraries/webkitgtk/2.4.nix b/pkgs/development/libraries/webkitgtk/2.4.nix
index 8ad3fcd0428..607c706fdb5 100644
--- a/pkgs/development/libraries/webkitgtk/2.4.nix
+++ b/pkgs/development/libraries/webkitgtk/2.4.nix
@@ -1,7 +1,7 @@
 { stdenv, fetchurl, perl, python, ruby, bison, gperf, flex
 , pkgconfig, which, gettext, gobjectIntrospection
 , gtk2, gtk3, wayland, libwebp, enchant, sqlite
-, libxml2, libsoup, libsecret, libxslt, harfbuzz
+, libxml2, libsoup, libsecret, libxslt, harfbuzz, xorg
 , gst-plugins-base
 , withGtk2 ? false
 , enableIntrospection ? true
@@ -49,7 +49,7 @@ stdenv.mkDerivation rec {
   buildInputs = [
     gtk2 wayland libwebp enchant
     libxml2 libsecret libxslt
-    gst-plugins-base sqlite
+    gst-plugins-base sqlite xorg.libXt
   ];
 
   propagatedBuildInputs = [
diff --git a/pkgs/development/libraries/webkitgtk/default.nix b/pkgs/development/libraries/webkitgtk/default.nix
index d60fbca6141..f7372dfe850 100644
--- a/pkgs/development/libraries/webkitgtk/default.nix
+++ b/pkgs/development/libraries/webkitgtk/default.nix
@@ -2,7 +2,7 @@
 , pkgconfig, gettext, gobjectIntrospection, libnotify
 , gtk2, gtk3, wayland, libwebp, enchant
 , libxml2, libsoup, libsecret, libxslt, harfbuzz, libpthreadstubs
-, enableGeoLocation ? true, geoclue2, sqlite
+, enableGeoLocation ? true, geoclue2, sqlite, xorg
 , gst-plugins-base
 }:
 
@@ -44,7 +44,7 @@ stdenv.mkDerivation rec {
   buildInputs = [
     gtk2 wayland libwebp enchant libnotify
     libxml2 libsecret libxslt harfbuzz libpthreadstubs
-    gst-plugins-base
+    gst-plugins-base xorg.libXt
   ] ++ optional enableGeoLocation geoclue2;
 
   propagatedBuildInputs = [