diff --git a/CHANGELOG.md b/CHANGELOG.md
index 709642f1bd..00b47a3f9b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+# 1.13.9
+
+ * Fix `VirtualPropertyExpression` visitor keys.
+
 # 1.13.8
 
  * Only use a single reference in abstract references.
diff --git a/lib/6to5/types/visitor-keys.json b/lib/6to5/types/visitor-keys.json
index c896d95a09..02808567f5 100644
--- a/lib/6to5/types/visitor-keys.json
+++ b/lib/6to5/types/visitor-keys.json
@@ -61,7 +61,7 @@
   "UpdateExpression":          ["argument"],
   "VariableDeclaration":       ["declarations"],
   "VariableDeclarator":        ["id", "init"],
-  "VirtualPropertyExpression": ["left", "right"],
+  "VirtualPropertyExpression": ["object", "property"],
   "WhileStatement":            ["test", "body"],
   "WithStatement":             ["object", "body"],
   "XJSAttribute":              ["name", "value"],