diff --git a/configs/nixos/registry/shell-shortcut.nix b/configs/nixos/registry/shell-shortcut.nix
index a43b028..c2a15c9 100644
--- a/configs/nixos/registry/shell-shortcut.nix
+++ b/configs/nixos/registry/shell-shortcut.nix
@@ -1,21 +1,20 @@
 { lib, ... }:
-let
-  entryType = lib.types.submodule {
-    options = {
-      command = lib.mkOption {
-        type = lib.types.str;
-        example = "nvim";
-        description = "Command expanded by this shell shortcut.";
-      };
-
-      abbreviation = lib.mkOption {
-        type = lib.types.bool;
-        default = true;
-        description = "Whether fish realizes this shell shortcut as an abbreviation instead of an alias.";
-      };
-    };
-  };
-in
 {
-  type = lib.types.coercedTo lib.types.str (command: { inherit command; }) entryType;
+  type = lib.types.coercedTo lib.types.str (command: { inherit command; }) (
+    lib.types.submodule {
+      options = {
+        command = lib.mkOption {
+          type = lib.types.str;
+          example = "nvim";
+          description = "Command expanded by this shell shortcut.";
+        };
+
+        abbreviation = lib.mkOption {
+          type = lib.types.bool;
+          default = true;
+          description = "Whether fish realizes this shell shortcut as an abbreviation instead of an alias.";
+        };
+      };
+    }
+  );
 }