diff --git a/pkgs/development/libraries/spice-protocol/default.nix b/pkgs/development/libraries/spice-protocol/default.nix
index 79fe47ff476..3bcd7fd67ef 100644
--- a/pkgs/development/libraries/spice-protocol/default.nix
+++ b/pkgs/development/libraries/spice-protocol/default.nix
@@ -1,13 +1,18 @@
 { stdenv, fetchurl }:
 
 stdenv.mkDerivation rec {
-  name = "spice-protocol-0.12.7";
+  name = "spice-protocol-0.12.9";
 
   src = fetchurl {
     url = "http://www.spice-space.org/download/releases/${name}.tar.bz2";
-    sha256 = "1hhn94bw2l76h09sy05a15bs6zalsijnylyqpwcys5hq6rrwpiln";
+    sha256 = "0xkqycpqpkxjlcg4fk1vyv2vjni60s0fjx5l57918q0mvlsgh319";
   };
 
+  postInstall = ''
+    mkdir -p $out/lib
+    ln -sv ../share/pkgconfig $out/lib/pkgconfig
+  '';
+
   meta = with stdenv.lib; {
     description = "Protocol headers for the SPICE protocol";
     homepage = http://www.spice-space.org;