diff --git a/pkgs/desktops/gnome-2.28/platform/libbonobo/default.nix b/pkgs/desktops/gnome-2.28/platform/libbonobo/default.nix
index b72ecc212287..9910965cf917 100644
--- a/pkgs/desktops/gnome-2.28/platform/libbonobo/default.nix
+++ b/pkgs/desktops/gnome-2.28/platform/libbonobo/default.nix
@@ -2,9 +2,12 @@
 
 stdenv.mkDerivation {
   name = "libbonobo-2.24.2";
+  
   src = fetchurl {
     url = mirror://gnome/sources/libbonobo/2.24/libbonobo-2.24.2.tar.bz2;
     sha256 = "1gr85amd271z0lbr68crcsc24rx1pa5k20f67y3y2mx664527h4m";
   };
-  buildInputs = [ flex bison pkgconfig glib dbus_glib libxml2 popt intltool ORBit2 ];
+  
+  buildInputs = [ flex bison pkgconfig dbus_glib libxml2 intltool ];
+  propagatedBuildInputs = [ popt glib ORBit2 ];
 }
diff --git a/pkgs/development/libraries/libgsf/default.nix b/pkgs/development/libraries/libgsf/default.nix
index 87bced1d17c8..ecb5517045c2 100644
--- a/pkgs/development/libraries/libgsf/default.nix
+++ b/pkgs/development/libraries/libgsf/default.nix
@@ -4,17 +4,23 @@
 
 
 stdenv.mkDerivation rec {
-  name = "libgsf-1.14.9";
+  name = "libgsf-1.14.16";
 
   src = fetchurl {
     url = "http://ftp.gnome.org/pub/gnome/sources/libgsf/1.14/${name}.tar.bz2";
-    sha256 = "1mkw60052sd6k9sq8ppz4yra0s3sdinngqi6bcmrj9977zk8yqfi";
+    sha256 = "0249n2hgrcnzphinaxng0cpn7afchg84l4ka4wka9kyv3g58zz8i";
   };
 
-  buildInputs = [
-    perl perlXMLParser pkgconfig libxml2 glib gettext bzip2
-    gnomevfs libbonobo python intltool
-  ];
+  buildInputs =
+    [ perl perlXMLParser pkgconfig gettext bzip2 gnomevfs python intltool ];
+
+  propagatedBuildInputs = [ glib libxml2 libbonobo ];
+
+  preConfigure =
+    ''
+      export NIX_CFLAGS_COMPILE+=" $(pkg-config --cflags glib-2.0)"
+      export NIX_CFLAGS_COMPILE+=" $(pkg-config --cflags libbonobo-2.0)"
+    '';
 
   doCheck = true;