diff --git a/packages/babel-plugin-transform-es2015-parameters/test/fixtures/parameters/regression-4333/actual.js b/packages/babel-plugin-transform-es2015-parameters/test/fixtures/parameters/regression-4333/actual.js
new file mode 100644
index 0000000000..fee841f638
--- /dev/null
+++ b/packages/babel-plugin-transform-es2015-parameters/test/fixtures/parameters/regression-4333/actual.js
@@ -0,0 +1,4 @@
+const args = 'bar';
+function foo(...args) {
+  return args;
+}
diff --git a/packages/babel-plugin-transform-es2015-parameters/test/fixtures/parameters/regression-4333/expected.js b/packages/babel-plugin-transform-es2015-parameters/test/fixtures/parameters/regression-4333/expected.js
new file mode 100644
index 0000000000..5ae08c9ab1
--- /dev/null
+++ b/packages/babel-plugin-transform-es2015-parameters/test/fixtures/parameters/regression-4333/expected.js
@@ -0,0 +1,8 @@
+var args = 'bar';
+function foo() {
+  for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
+    args[_key] = arguments[_key];
+  }
+
+  return args;
+}
diff --git a/packages/babel-plugin-transform-es2015-parameters/test/fixtures/parameters/regression-4333/options.json b/packages/babel-plugin-transform-es2015-parameters/test/fixtures/parameters/regression-4333/options.json
new file mode 100644
index 0000000000..82bc9b4032
--- /dev/null
+++ b/packages/babel-plugin-transform-es2015-parameters/test/fixtures/parameters/regression-4333/options.json
@@ -0,0 +1,3 @@
+{
+  "plugins": ["transform-es2015-parameters"]
+}