diff --git a/macrovision.js b/macrovision.js
index 82f55c0f..e477bcd4 100644
--- a/macrovision.js
+++ b/macrovision.js
@@ -128,7 +128,8 @@ const unitChoices = {
         "lightyears",
         "parsecs",
         "galaxies",
-        "universes"
+        "universes",
+        "multiverses"
     ],
     area: [
         "meters^2",