diff --git a/pkgs/tools/x11/xmcp/default.nix b/pkgs/tools/X11/xmcp/default.nix
similarity index 100%
rename from pkgs/tools/x11/xmcp/default.nix
rename to pkgs/tools/X11/xmcp/default.nix
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 233ae5c9a2bd..e9bb998b036a 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -35687,7 +35687,7 @@ with pkgs;
 
   xsos = callPackage ../os-specific/linux/xsos { };
 
-  xmcp = callPackage ../tools/x11/xmcp { };
+  xmcp = callPackage ../tools/X11/xmcp { };
 
   zk = callPackage ../applications/office/zk {};