diff --git a/home/apps/calibre.nix b/home/apps/calibre.nix
new file mode 100644
index 0000000..dca9687
--- /dev/null
+++ b/home/apps/calibre.nix
@@ -0,0 +1,3 @@
+{pkgs, ...}: {
+  home.packages = [pkgs.calibre];
+}
diff --git a/home/apps/default.nix b/home/apps/default.nix
index 352609a..269a8c8 100644
--- a/home/apps/default.nix
+++ b/home/apps/default.nix
@@ -9,6 +9,7 @@ lib.optionalAttrs device.hasGui {
     # ./bottles.nix
     # ./cinny.nix
     # ./cursor.nix
+    # ./discord.nix
     # ./gimp.nix
     # ./guitarix.nix
     # ./ida.nix
@@ -27,20 +28,19 @@ lib.optionalAttrs device.hasGui {
     # ./vial.nix
     # ./vlc.nix
     # ./vscode.nix
-    # ./zen.nix
-
-    ./moonlight.nix
     # ./zed.nix
+    # ./zen.nix
 
     ./affine.nix
     ./blueman.nix
+    ./calibre.nix
     ./chromium.nix
-    # ./discord.nix
     ./firefox.nix
     ./ghostty.nix
     ./hyprpicker.nix
     ./kitty.nix
     ./matrix.nix
+    ./moonlight.nix
     ./mpv.nix
     ./nextcloud.nix
     ./obs-studio.nix
diff --git a/nixos/tako/services/calibre.nix b/nixos/tako/services/calibre.nix
index 60f19e3..c1bc016 100644
--- a/nixos/tako/services/calibre.nix
+++ b/nixos/tako/services/calibre.nix
@@ -20,7 +20,7 @@ in {
         enableBookConversion = true;
         reverseProxyAuth = {
           enable = true;
-          header = "REMOTE-USER";
+          header = "Remote-User";
         };
       };
     };