diff --git a/configs/home-manager/iamb-matrix.nix b/configs/home-manager/iamb-matrix.nix
index 4a32281..4bbd088 100644
--- a/configs/home-manager/iamb-matrix.nix
+++ b/configs/home-manager/iamb-matrix.nix
@@ -5,12 +5,15 @@
   ...
 }: {
   programs.iamb = {
-    enable=true;
-    settings={
+    enable = true;
+    settings = {
       profiles."matrix.org".user_id = "@gabev:matrix.org";
       settings = {
-        image_preview.size={height=10; width=80;};
-        notifications.enabled=true;
+        image_preview.size = {
+          height = 10;
+          width = 80;
+        };
+        notifications.enabled = true;
       };
     };
   };
diff --git a/configs/home-manager/zsh.nix b/configs/home-manager/zsh.nix
index 1044b7e..c18a650 100644
--- a/configs/home-manager/zsh.nix
+++ b/configs/home-manager/zsh.nix
@@ -123,5 +123,5 @@
     };
   };
   services.gpg-agent.enableZshIntegration = true;
-  home.packages = with pkgs; [ curl ];
+  home.packages = with pkgs; [curl];
 }
diff --git a/configs/nixos/i3/default.nix b/configs/nixos/i3/default.nix
index 87af41e..5ff17ce 100644
--- a/configs/nixos/i3/default.nix
+++ b/configs/nixos/i3/default.nix
@@ -32,7 +32,9 @@
       firefox
       thunderbird
       mpv
+      zathura
     ];
+    nixpkgs.config.zathura.useMupdf = true;
     services.playerctld.enable = true;
     xsession.enable = true;
     xsession.windowManager.i3 = let