diff --git a/modules/programs/macchina/theme.nix b/modules/programs/macchina/theme.nix
index aa27c8383..67545848d 100644
--- a/modules/programs/macchina/theme.nix
+++ b/modules/programs/macchina/theme.nix
@@ -30,6 +30,11 @@ let
         default = null;
         description = "Whether to show the palette.";
       };
+      spacing = mkOption {
+        type = types.nullOr types.int;
+        default = null;
+        description = "The amount of spacing to leave between each glyph.";
+      };
     };
   };