diff --git a/ndn-cpp/transport/transport.cpp b/ndn-cpp/transport/transport.cpp
index 1636e4e..ad76dc2 100644
--- a/ndn-cpp/transport/transport.cpp
+++ b/ndn-cpp/transport/transport.cpp
@@ -14,7 +14,7 @@
 {  
 }
 
-void Transport::connect(const Transport::ConnectionInfo &connectionInfo, ElementListener &elementListener) 
+void Transport::connect(const Transport::ConnectionInfo& connectionInfo, ElementListener& elementListener) 
 {
   throw logic_error("unimplemented");
 }