diff --git a/unpacked/jax/element/mml/jax.js b/unpacked/jax/element/mml/jax.js
index 9a1d491cf..7a520cacd 100644
--- a/unpacked/jax/element/mml/jax.js
+++ b/unpacked/jax/element/mml/jax.js
@@ -1228,7 +1228,7 @@ MathJax.ElementJax.mml.Augment({
   });
 
   MML.maligngroup = MML.mbase.Subclass({
-    type: "malign",
+    type: "maligngroup",
     isSpacelike: function () {return true},
     defaults: {
       mathbackground: MML.INHERIT,