diff --git a/pkgs/system/populate-cache.nix b/pkgs/system/populate-cache.nix
index 9cc9e76919e3..662c25fcaaff 100644
--- a/pkgs/system/populate-cache.nix
+++ b/pkgs/system/populate-cache.nix
@@ -158,6 +158,7 @@ let {
     libxml2
     libxslt
     nxml
+    pkgconfig
     subversion
     tetex
     unzip