diff --git a/test/is_output_streamable_test.cpp b/test/is_output_streamable_test.cpp
index b0fe2c4..963989f 100644
--- a/test/is_output_streamable_test.cpp
+++ b/test/is_output_streamable_test.cpp
@@ -36,8 +36,8 @@ struct test;
 template <>
 struct
 test<true>
-	{
-	};
+    {
+    };
 
 int
 main()