diff --git a/codemirror/lib/codemirror.js b/codemirror/lib/codemirror.js
index ba7ea118..abc9130d 100644
--- a/codemirror/lib/codemirror.js
+++ b/codemirror/lib/codemirror.js
@@ -5720,7 +5720,7 @@
       for (var i = 0; i < keys.length; i++) {
         var val, name;
         if (i == keys.length - 1) {
-          name = keyname;
+          name = keys.join(" ");
           val = value;
         } else {
           name = keys.slice(0, i + 1).join(" ");