diff --git a/home/desktop/default.nix b/home/desktop/default.nix
index 977ae15..6b72197 100644
--- a/home/desktop/default.nix
+++ b/home/desktop/default.nix
@@ -19,7 +19,7 @@
   xdg.mimeApps = {
     enable = true;
     defaultApplications = {
-      "application/pdf" = [ "okular.desktop" ];
+      "application/pdf" = [ "org.kde.okular.desktop" ];
       "application/x-extension-htm" = [ "firefox.desktop" ];
       "application/x-extension-html" = [ "firefox.desktop" ];
       "application/x-extension-shtml" = [ "firefox.desktop" ];
diff --git a/home/desktop/i3.nix b/home/desktop/i3.nix
index 94e1ee4..48907da 100644
--- a/home/desktop/i3.nix
+++ b/home/desktop/i3.nix
@@ -52,6 +52,11 @@
           notification = false;
           always = true;
         }
+        {
+          command = "${pkgs.feh}/bin/feh --bg-scale ${config.home.homeDirectory}/Pictures/wallpapers/carina_jwst.jpg";
+          notification = false;
+          always = true;
+        }
         {
           command = "${pkgs.i3-gaps}/bin/i3-msg 'workspace $ws1; exec ${pkgs.firefox}/bin/firefox'";
         }
diff --git a/home/zshrc.nix b/home/zshrc.nix
index a65840f..8b9f9dd 100644
--- a/home/zshrc.nix
+++ b/home/zshrc.nix
@@ -119,4 +119,5 @@
   export EDITOR=nvim
   export VISUAL=nvim
   export PATH="$PATH:$HOME/.local/bin:$HOME/.cargo/bin"
+  export NIXPKGS_ALLOW_UNFREE=1
 ''