diff --git a/configs/graphics.nix b/configs/graphics.nix
index 5051913..33feb46 100644
--- a/configs/graphics.nix
+++ b/configs/graphics.nix
@@ -5,7 +5,10 @@
     layout = commaSep [ "de" "gr" "ru" ];
     xkbVariant = commaSep [ "T3" "polytonic" "phonetic_winkeys" ];
     xkbOptions = commaSep [ "compose:caps" "terminate:ctrl_alt_bksp" "grp:ctrls_toggle" ];
-    libinput.enable = true;
+    libinput = {
+      enable = true;
+      naturalScrolling = true;
+    };
     xautolock = {
       enable = true;
       killer = "${pkgs.systemd}/bin/systemctl suspend";
diff --git a/configs/packages.nix b/configs/packages.nix
index ee43117..4b54f2d 100644
--- a/configs/packages.nix
+++ b/configs/packages.nix
@@ -125,6 +125,7 @@ in with pkgs;
     })
     pandoc
     (executables haskellPackages.pandoc-citeproc)
+    (executables haskellPackages.patat)
     asciidoctor
   ] ++ [ # programming
     tokei
diff --git a/main.nix b/main.nix
index 2e0eef2..1927f97 100644
--- a/main.nix
+++ b/main.nix
@@ -76,7 +76,7 @@ in {
     group = "users";
     extraGroups = [ "wheel" "audio" "docker" ];
     hashedPassword = "$6$w9hXyGFl/.IZBXk$5OiWzS1G.5hImhh1YQmZiCXYNAJhi3X6Y3uSLupJNYYXPLMsQpx2fwF4Xr2uYzGMV8Foqh8TgUavx1APD9rcb/";
-    shell = pkgs.zsh;
+    shell = pkgs.fish;
   };
 
   home-manager.users.kfm = {