diff --git a/pkgs/desktops/kde-4.7/kdeplasma-addons.nix b/pkgs/desktops/kde-4.7/kdeplasma-addons.nix
index de2cabf20e4f..ddffa48dc55b 100644
--- a/pkgs/desktops/kde-4.7/kdeplasma-addons.nix
+++ b/pkgs/desktops/kde-4.7/kdeplasma-addons.nix
@@ -1,4 +1,4 @@
-{ kde, kdelibs, marble, shared_desktop_ontologies
+{ kde, kdelibs, marble, shared_desktop_ontologies, pkgconfig
 , boost, eigen, kde_workspace, attica, python, qca2, qimageblitz
 , kdepimlibs, libkexiv2, libqalculate, libXtst }:
 # TODO: qwt, scim
@@ -11,6 +11,8 @@ kde {
     attica python qca2 qimageblitz kdepimlibs
     libqalculate libXtst shared_desktop_ontologies marble libkexiv2];
 
+  buildNativeInputs = [ pkgconfig ];
+
   meta = {
     description = "KDE Plasma Addons";
     license = "GPL";