diff --git a/pkgs/by-name/cl/clearlyU/package.nix b/pkgs/by-name/cl/clearly-u/package.nix
similarity index 97%
rename from pkgs/by-name/cl/clearlyU/package.nix
rename to pkgs/by-name/cl/clearly-u/package.nix
index 5d7424dd294e..c7d5e9dbe1cb 100644
--- a/pkgs/by-name/cl/clearlyU/package.nix
+++ b/pkgs/by-name/cl/clearly-u/package.nix
@@ -8,7 +8,7 @@
 }:
 
 stdenv.mkDerivation (finalAttrs: {
-  pname = "clearlyU";
+  pname = "clearly-u";
   version = "12-1.9";
 
   src = fetchurl {
diff --git a/pkgs/top-level/aliases.nix b/pkgs/top-level/aliases.nix
index f317475a41b1..3a6e77009a26 100644
--- a/pkgs/top-level/aliases.nix
+++ b/pkgs/top-level/aliases.nix
@@ -485,6 +485,7 @@ mapAliases {
   clang_17 = throw "clang_17 has been removed, as it is unmaintained and obsolete"; # Added 2025-08-09
   clashmi = throw "'clashmi' has been removed, as it is unmaintained in nixpkgs"; # Added 2026-01-31
   clasp = throw "'clasp' has been renamed to/replaced by 'clingo'"; # Converted to throw 2025-10-27
+  clearlyU = clearly-u; # Added 2026-02-08
   cli-visualizer = throw "'cli-visualizer' has been removed as the upstream repository is gone"; # Added 2025-06-05
   clima = throw "'clima' has been removed, as it has been unmaintained upstream since December 2024, use glow instead"; # Added 2026-01-01
   clipbuzz = throw "clipbuzz has been removed, as it does not build with supported Zig versions"; # Added 2025-08-09