diff --git a/src/session_impl.cpp b/src/session_impl.cpp
index a92cfe772..4cdf3b0c9 100644
--- a/src/session_impl.cpp
+++ b/src/session_impl.cpp
@@ -291,9 +291,11 @@ namespace aux {
 		PRINT_SIZEOF(bt_peer_connection)
 		PRINT_SIZEOF(address)
 		PRINT_SIZEOF(address_v4)
-		PRINT_SIZEOF(address_v6)
 		PRINT_SIZEOF(address_v4::bytes_type)
+#if TORRENT_USE_IPV6
+		PRINT_SIZEOF(address_v6)
 		PRINT_SIZEOF(address_v6::bytes_type)
+#endif
 		PRINT_SIZEOF(void*)
 		PRINT_SIZEOF(dht::node_entry)
 
diff --git a/src/torrent.cpp b/src/torrent.cpp
index 1e89841d1..9b5cdcde8 100644
--- a/src/torrent.cpp
+++ b/src/torrent.cpp
@@ -430,8 +430,8 @@ namespace libtorrent
 		for (std::set<peer_connection*>::iterator i = m_connections.begin()
 			, end(m_connections.end()); i != end; ++i)
 		{
-			bt_peer_connection* p = dynamic_cast<bt_peer_connection*>(*i);
-			if (p == 0) continue;
+			if ((*i)->type() != peer_connection::bittorrent_connection) continue;
+			bt_peer_connection* p = (bt_peer_connection*)*i;
 			p->write_upload_only();
 		}
 #endif