diff --git a/lib/6to5/transformation/transformers/es7-abstract-references.js b/lib/6to5/transformation/transformers/es7-abstract-references.js
index 9f75d26134..2f5134ca59 100644
--- a/lib/6to5/transformation/transformers/es7-abstract-references.js
+++ b/lib/6to5/transformation/transformers/es7-abstract-references.js
@@ -24,6 +24,11 @@ exports.UnaryExpression = function (node, parent) {
   });
 };
 
+exports.CallExpression = function (node, parent) {
+  var callee = node.callee;
+  if (!t.isVirtualPropertyExpression(callee)) return;
+};
+
 exports.VirtualPropertyExpression = function (node) {
   return util.template("abstract-expression-get", {
     PROPERTY: node.property,