diff --git a/test/throw_exception_fail.cpp b/test/throw_exception_fail.cpp
index 343efd1..19fda91 100644
--- a/test/throw_exception_fail.cpp
+++ b/test/throw_exception_fail.cpp
@@ -7,12 +7,12 @@
 
 struct
 my_exception
-	{
-	};
+    {
+    };
 
 void
 tester()
     {
-	//Must not compile, throw_exception requires exception types to derive std::exception.
-	boost::throw_exception(my_exception());
+    //Must not compile, throw_exception requires exception types to derive std::exception.
+    boost::throw_exception(my_exception());
     }