diff --git a/pkgs/development/libraries/mesa/default.nix b/pkgs/development/libraries/mesa/default.nix
index 9b3648c6ab84..c68d2e7d552f 100644
--- a/pkgs/development/libraries/mesa/default.nix
+++ b/pkgs/development/libraries/mesa/default.nix
@@ -6,22 +6,22 @@ else
 
 stdenv.mkDerivation {
   name = "mesa-7.6.1";
-  
+
   src = fetchurl {
     url = ftp://ftp.freedesktop.org/pub/mesa/7.6.1/MesaLib-7.6.1.tar.bz2;
     md5 = "7db4617e9e10ad3aca1b64339fd71b7d";
   };
 
   configureFlags = "--disable-gallium";
-  
+
   buildInputs =
     [ pkgconfig expat x11 libdrm xlibs.glproto
       xlibs.libXxf86vm xlibs.libXfixes xlibs.libXdamage xlibs.dri2proto
       lipo
     ];
-  
+
   passthru = { inherit libdrm; };
-  
+
   meta = {
     description = "An open source implementation of OpenGL";
     homepage = http://www.mesa3d.org/;