diff --git a/test/T10.inheritance.hpp b/test/T10.inheritance.hpp
index 6d4d98c4..e7d500d9 100644
--- a/test/T10.inheritance.hpp
+++ b/test/T10.inheritance.hpp
@@ -53,7 +53,7 @@ class A : public std::enable_shared_from_this<A>
 class B : public std::string
 {
 public:
-	B(const B&) = default;
+	B(B const &) = default;
 };