1 files changed, 1 insertions, 2 deletions
diff --git a/lib/handlebars/compiler/visitor.js b/lib/handlebars/compiler/visitor.js
index ba7b376..47f86e0 100644
--- a/lib/handlebars/compiler/visitor.js
+++ b/lib/handlebars/compiler/visitor.js
@@ -1,5 +1,4 @@
 import Exception from '../exception';
-import AST from './ast';
 
 function Visitor() {
   this.parents = [];
@@ -14,7 +13,7 @@ Visitor.prototype = {
     let value = this.accept(node[name]);
     if (this.mutating) {
       // Hacky sanity check:
-      if (value && (!value.type || !AST[value.type])) {
+      if (value && typeof value.type !== 'string') {
         throw new Exception('Unexpected node type "' + value.type + '" found when accepting ' + name + ' on ' + node.type);
       }
       node[name] = value;