diff --git a/test/function/consistent-renaming-f/_config.js b/test/function/consistent-renaming-f/_config.js
new file mode 100644
index 0000000..873e296
--- /dev/null
+++ b/test/function/consistent-renaming-f/_config.js
@@ -0,0 +1,3 @@
+module.exports = {
+	description: 'consistent renaming test f'
+};
diff --git a/test/function/consistent-renaming-f/bar.js b/test/function/consistent-renaming-f/bar.js
new file mode 100644
index 0000000..afe602c
--- /dev/null
+++ b/test/function/consistent-renaming-f/bar.js
@@ -0,0 +1,3 @@
+export default function foo() {
+	return 'consistent';
+}
diff --git a/test/function/consistent-renaming-f/main.js b/test/function/consistent-renaming-f/main.js
new file mode 100644
index 0000000..d1e53f9
--- /dev/null
+++ b/test/function/consistent-renaming-f/main.js
@@ -0,0 +1,9 @@
+import bar from './bar';
+
+export default function foo () {}
+
+foo.prototype.a = function ( foo ) {
+	return bar();
+};
+
+assert.equal( new foo().a(), 'consistent' );