diff --git a/include/bitcoin/protocol/zmq/message.hpp b/include/bitcoin/protocol/zmq/message.hpp
index f32c4a89..d586b36e 100644
--- a/include/bitcoin/protocol/zmq/message.hpp
+++ b/include/bitcoin/protocol/zmq/message.hpp
@@ -20,7 +20,6 @@
 #ifndef LIBBITCOIN_PROTOCOL_ZMQ_MESSAGE_HPP
 #define LIBBITCOIN_PROTOCOL_ZMQ_MESSAGE_HPP
 
-#include <queue>
 #include <string>
 #include <bitcoin/bitcoin.hpp>
 #include <bitcoin/protocol/zmq/socket.hpp>
@@ -79,7 +78,7 @@ class BCP_API message
     code receive(socket& socket);
 
 private:
-    std::queue<data_chunk> queue_;
+    data_queue queue_;
 };
 
 } // namespace zmq