diff --git a/pkgs/desktops/mate/mozo/default.nix b/pkgs/by-name/mo/mozo/package.nix
similarity index 100%
rename from pkgs/desktops/mate/mozo/default.nix
rename to pkgs/by-name/mo/mozo/package.nix
diff --git a/pkgs/desktops/mate/default.nix b/pkgs/desktops/mate/default.nix
index 80c43633997d..b6de083d8ca6 100644
--- a/pkgs/desktops/mate/default.nix
+++ b/pkgs/desktops/mate/default.nix
@@ -30,7 +30,6 @@ let
       mate-settings-daemon = callPackage ./mate-settings-daemon { };
       mate-settings-daemon-wrapped = callPackage ./mate-settings-daemon/wrapped.nix { };
 
-      mozo = callPackage ./mozo { };
       pluma = callPackage ./pluma { };
       python-caja = callPackage ./python-caja { };
 
@@ -128,4 +127,5 @@ lib.makeScope pkgs.newScope packages
   mate-user-share = lib.warnOnInstantiate "‘mate.mate-user-share’ was moved to top-level. Please use ‘pkgs.mate-user-share’ directly" pkgs.mate-user-share; # Added on 2026-02-08
   mate-utils = lib.warnOnInstantiate "‘mate.mate-utils’ was moved to top-level. Please use ‘pkgs.mate-utils’ directly" pkgs.mate-utils; # Added on 2026-02-08
   mate-wayland-session = lib.warnOnInstantiate "‘mate.mate-wayland-session’ was moved to top-level. Please use ‘pkgs.mate-wayland-session’ directly" pkgs.mate-wayland-session; # Added on 2026-02-08
+  mozo = lib.warnOnInstantiate "‘mate.mozo’ was moved to top-level. Please use ‘pkgs.mozo’ directly" pkgs.mozo; # Added on 2026-02-08
 }