diff --git a/asio/include/asio/ip/address_v6.hpp b/asio/include/asio/ip/address_v6.hpp
index b8358f2e..f732955f 100644
--- a/asio/include/asio/ip/address_v6.hpp
+++ b/asio/include/asio/ip/address_v6.hpp
@@ -166,8 +166,8 @@ public:
   {
     if (!is_v4_mapped() && !is_v4_compatible())
       throw std::bad_cast();
-    address_v4::bytes_type v4_bytes = { addr_.s6_addr[12],
-      addr_.s6_addr[13], addr_.s6_addr[14], addr_.s6_addr[15] };
+    address_v4::bytes_type v4_bytes = { { addr_.s6_addr[12],
+      addr_.s6_addr[13], addr_.s6_addr[14], addr_.s6_addr[15] } };
     return address_v4(v4_bytes);
   }
 
@@ -345,8 +345,8 @@ public:
   static address_v6 v4_mapped(const address_v4& addr)
   {
     address_v4::bytes_type v4_bytes = addr.to_bytes();
-    bytes_type v6_bytes = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0xFF, 0xFF,
-      v4_bytes[0], v4_bytes[1], v4_bytes[2], v4_bytes[3] };
+    bytes_type v6_bytes = { { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0xFF, 0xFF,
+      v4_bytes[0], v4_bytes[1], v4_bytes[2], v4_bytes[3] } };
     return address_v6(v6_bytes);
   }
 
@@ -354,8 +354,8 @@ public:
   static address_v6 v4_compatible(const address_v4& addr)
   {
     address_v4::bytes_type v4_bytes = addr.to_bytes();
-    bytes_type v6_bytes = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-      v4_bytes[0], v4_bytes[1], v4_bytes[2], v4_bytes[3] };
+    bytes_type v6_bytes = { { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+      v4_bytes[0], v4_bytes[1], v4_bytes[2], v4_bytes[3] } };
     return address_v6(v6_bytes);
   }