diff --git a/plugins/statuslines/lualine.nix b/plugins/statuslines/lualine.nix
index 48f986c2..b9523049 100644
--- a/plugins/statuslines/lualine.nix
+++ b/plugins/statuslines/lualine.nix
@@ -36,7 +36,23 @@ with lib; let
               Enables the display of icons alongside the component.
             '';
 
-            icon = helpers.mkNullOrOption (with types; either str (attrsOf anything)) ''
+            icon = helpers.mkNullOrOption
+              (
+                with types;
+                  either
+                  str
+                  (submodule {
+                    freeformType = attrsOf anything;
+                    
+                    options = {
+                      icon = mkOption {
+                        type = str;
+                        description = "Icon character.";
+                      };
+                    };
+                  })
+              )
+              "Defines the icon to be displayed in front of the component.";
               Defines the icon to be displayed in front of the component.
             '';