diff --git a/lib/6to5/transformation/modules/_default.js b/lib/6to5/transformation/modules/_default.js
index 8d175db9cd..7713fff73c 100644
--- a/lib/6to5/transformation/modules/_default.js
+++ b/lib/6to5/transformation/modules/_default.js
@@ -142,7 +142,7 @@ DefaultFormatter.prototype._exportSpecifier = function (getRef, specifier, node,
       nodes.push(this._exportsWildcard(getRef(), node));
     } else {
       var ref;
-      if (t.isSpecifierDefault(specifier.id)) {
+      if (t.isSpecifierDefault(specifier.id) || this.noInteropRequire) {
         ref = t.memberExpression(getRef(), specifier.id);
       } else {
         ref = t.callExpression(this.file.addHelper("interop-require"), [getRef()]);