diff --git a/pkgs/development/libraries/mesa/default.nix b/pkgs/development/libraries/mesa/default.nix
index faf1261da4a..ede4dd889e5 100644
--- a/pkgs/development/libraries/mesa/default.nix
+++ b/pkgs/development/libraries/mesa/default.nix
@@ -146,10 +146,10 @@ let self = stdenv.mkDerivation {
     glproto dri2proto dri3proto presentproto
     libX11 libXext libxcb libXt libXfixes libxshmfence libXrandr
     libffi libvdpau libelf libXvMC
-    libpthreadstubs openssl/*or another sha1 provider*/
-    valgrind-light python2 python2.pkgs.Mako
+    libpthreadstubs openssl /*or another sha1 provider*/
+    python2 python2.pkgs.Mako
   ] ++ lib.optionals (elem "wayland" eglPlatforms) [ wayland wayland-protocols ]
-    ++ lib.optionals stdenv.isLinux [ libomxil-bellagio libva-minimal ];
+    ++ lib.optionals stdenv.isLinux [ valgrind-light libomxil-bellagio libva-minimal ];
 
   enableParallelBuilding = true;
   doCheck = false;