diff --git a/lib/6to5/transformation/modules/system.js b/lib/6to5/transformation/modules/system.js
index b4f72c6d5b..fe11bcce55 100644
--- a/lib/6to5/transformation/modules/system.js
+++ b/lib/6to5/transformation/modules/system.js
@@ -31,7 +31,7 @@ SystemFormatter.prototype._exportsWildcard = function (objectIdentifier, node) {
   var right = objectIdentifier;
 
   var block = t.blockStatement([
-    this.buildExportCall(leftIdentifier, valIdentifier)
+    t.expressionStatement(this.buildExportCall(leftIdentifier, valIdentifier))
   ]);
 
   return this._addImportSource(t.forInStatement(left, right, block), node);
diff --git a/test/fixtures/transformation/es6-modules-system/exports-from/expected.js b/test/fixtures/transformation/es6-modules-system/exports-from/expected.js
index 00bbddc855..5c23f2b435 100644
--- a/test/fixtures/transformation/es6-modules-system/exports-from/expected.js
+++ b/test/fixtures/transformation/es6-modules-system/exports-from/expected.js
@@ -4,7 +4,7 @@ System.register(["foo"], function (_export) {
   return {
     setters: [function (_foo) {
       for (var _key in _foo) {
-        _export(_key, _foo[_key])
+        _export(_key, _foo[_key]);
       }
 
       _export("foo", _foo.foo);