diff --git a/common.nix b/common.nix
index 591c8e5..6d3209f 100644
--- a/common.nix
+++ b/common.nix
@@ -85,15 +85,19 @@
     cabal2nix
     cabal-install
     # ghc-mod
-  ];
+
+    # emacs
+    emacs
+    ghostscript # for auctex
+    aspell
+  ] ++ (with aspellDicts; [ en de fr nl ]);
 
   nixpkgs.config.packageOverrides = pkgs: rec {
-    # libreoffice = pkgs.libreoffice.override { jdk = pkgs.jdk; };  # reuse package cache
-    jre = pkgs.openjdk8;
-    jdk = pkgs.openjdk8;
     i3 = pkgs.stdenv.lib.overrideDerivation pkgs.i3 (oldAttrs: { doCheck = false; });
   };
 
+  nixpkgs.config.allowTexliveBuilds = true;
+
   environment.variables.EDITOR = "${pkgs.vim}/bin/vim";
 
   # Enable the OpenSSH daemon.
diff --git a/i3.nix b/i3.nix
index 406aca4..8d7c90e 100644
--- a/i3.nix
+++ b/i3.nix
@@ -50,6 +50,7 @@
         name = "i3wm";
         start = ''
           export $(${pkgs.gnome3.gnome_keyring}/bin/gnome-keyring-daemon --start --components=pkcs11,secrets,ssh,gpg)
+          export XDG_CURRENT_DESKTOP=GNOME
           ${pkgs.gnome3.gnome_settings_daemon}/libexec/gnome-settings-daemon-localeexec &
           ${pkgs.i3}/bin/i3 &
           waitPID=$!
diff --git a/pkgs/yourkit.nix b/pkgs/yourkit.nix
index d01d22a..4452198 100644
--- a/pkgs/yourkit.nix
+++ b/pkgs/yourkit.nix
@@ -1,19 +1,20 @@
 with import <nixpkgs> {};
 stdenv.mkDerivation rec {
   name = "yjp-${version}";
-  version = "2015-build-15056";
+  version = "2015-build-15062";
 
   src = fetchzip {
-    url = https://www.yourkit.com/download/yjp-2015-build-15056.zip;
-    sha256 = "0y3d3fs91w0qbdvbm4nr02rmkbqmndl7j4rhxwzibs815ci659jn";
+    url = "https://www.yourkit.com/download/${name}.zip";
+    sha256 = "0dwfha6vid4nq21zm74v248yr83wpjfs1dd7ga8gykbs4insp66q";
   };
 
-  buildInputs = [ unzip makeWrapper ];
+  nativeBuildInputs = [ unzip makeWrapper patchelf ];
 
   installPhase = ''
     mkdir -p $out
     cp -ra ./ $out/yjp
     chmod +x $out/yjp/bin/*/yjp_dc
+    patchelf --set-interpreter "$(cat $NIX_CC/nix-support/dynamic-linker)" $out/yjp/bin/linux-x86-64/yjp_dc
     makeWrapper $out/yjp/bin/yjp.sh $out/bin/yjp \
       --prefix PATH : ${jdk}
   '';
diff --git a/theba.nix b/theba.nix
index 1883b8a..c435b23 100644
--- a/theba.nix
+++ b/theba.nix
@@ -37,6 +37,6 @@
   networking.hostName = "theba"; # Define your hostname.
   networking.hostId = "b29b900f";
 
-  services.colord.enable = true;
+  # services.colord.enable = true;
 
 }