diff --git a/test/boost_no_is_abstract.ipp b/test/boost_no_is_abstract.ipp
index 6b889f24..a1fba856 100644
--- a/test/boost_no_is_abstract.ipp
+++ b/test/boost_no_is_abstract.ipp
@@ -25,7 +25,7 @@ struct is_abstract_test
    static char check_sig(...);
 
 #ifdef __GNUC__
-   enum{ s1 = sizeof(is_abstract_test<T>::template check_sig<T>(0))) };
+   enum{ s1 = sizeof(is_abstract_test<T>::template check_sig<T>(0)) };
 #else
    enum{ s1 = sizeof(check_sig<T>(0)) };
 #endif