diff --git a/pkgs/development/compilers/muon/default.nix b/pkgs/development/compilers/muonlang/default.nix
similarity index 100%
rename from pkgs/development/compilers/muon/default.nix
rename to pkgs/development/compilers/muonlang/default.nix
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index f7a0b0a21df..94c747e3e65 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -13111,7 +13111,7 @@ with pkgs;
 
   mozart2-binary = callPackage ../development/compilers/mozart/binary.nix { };
 
-  muon = callPackage ../development/compilers/muon { };
+  muonlang = callPackage ../development/compilers/muonlang { };
 
   inherit (callPackages ../development/compilers/nim { })
     nim-unwrapped nimble-unwrapped nim;