diff --git a/tests/Composer/Test/Autoload/ClassMapGeneratorTest.php b/tests/Composer/Test/Autoload/ClassMapGeneratorTest.php
index 3f9e18884..b8efc0c80 100644
--- a/tests/Composer/Test/Autoload/ClassMapGeneratorTest.php
+++ b/tests/Composer/Test/Autoload/ClassMapGeneratorTest.php
@@ -78,6 +78,7 @@ class ClassMapGeneratorTest extends \PHPUnit_Framework_TestCase
             $data[] = array(__DIR__.'/Fixtures/hhvm3.3', array(
                 'FooEnum' => __DIR__.'/Fixtures/hhvm3.3/HackEnum.php',
                 'Foo\BarEnum' => __DIR__.'/Fixtures/hhvm3.3/NamespacedHackEnum.php',
+                'GenericsClass' => __DIR__.'/Fixtures/hhvm3.3/Generics.php',
             ));
         }
 
diff --git a/tests/Composer/Test/Autoload/Fixtures/hhvm3.3/Generics.php b/tests/Composer/Test/Autoload/Fixtures/hhvm3.3/Generics.php
new file mode 100644
index 000000000..e5d1aa12a
--- /dev/null
+++ b/tests/Composer/Test/Autoload/Fixtures/hhvm3.3/Generics.php
@@ -0,0 +1,4 @@
+<?hh
+
+class GenericsClass<Tk, Tv> {
+}