diff --git a/source/Editor.js b/source/Editor.js
index 66a2229..1eacb14 100644
--- a/source/Editor.js
+++ b/source/Editor.js
@@ -172,6 +172,7 @@ proto.setConfig = function ( config ) {
             li: null,
             a: null
         },
+        leafNodeNames: leafNodeNames,
         undo: {
             documentSizeThreshold: -1, // -1 means no threshold
             undoLimit: -1 // -1 means no limit