4 files changed, 4 insertions, 0 deletions
diff --git a/cpp/test/client/client_test.cpp b/cpp/test/client/client_test.cpp
index f9eca39bfe..18b162ec8a 100644
--- a/cpp/test/client/client_test.cpp
+++ b/cpp/test/client/client_test.cpp
@@ -30,6 +30,7 @@
 
 using namespace qpid::client;
 using namespace qpid::sys;
+using std::string;
 
 class SimpleListener : public virtual MessageListener{
     Monitor* monitor;
diff --git a/cpp/test/client/echo_service.cpp b/cpp/test/client/echo_service.cpp
index 9d10610c83..f0aa49fd4b 100644
--- a/cpp/test/client/echo_service.cpp
+++ b/cpp/test/client/echo_service.cpp
@@ -30,6 +30,7 @@
 
 using namespace qpid::client;
 using namespace qpid::sys;
+using std::string;
 
 class EchoServer : public MessageListener{    
     Channel* const channel;
diff --git a/cpp/test/client/topic_listener.cpp b/cpp/test/client/topic_listener.cpp
index 3cc4cf4a15..413d482361 100644
--- a/cpp/test/client/topic_listener.cpp
+++ b/cpp/test/client/topic_listener.cpp
@@ -30,6 +30,7 @@
 
 using namespace qpid::client;
 using namespace qpid::sys;
+using std::string;
 
 class Listener : public MessageListener{    
     Channel* const channel;
diff --git a/cpp/test/client/topic_publisher.cpp b/cpp/test/client/topic_publisher.cpp
index e6abdeca5b..d9f271e2f0 100644
--- a/cpp/test/client/topic_publisher.cpp
+++ b/cpp/test/client/topic_publisher.cpp
@@ -32,6 +32,7 @@
 
 using namespace qpid::client;
 using namespace qpid::sys;
+using std::string;
 
 class Publisher : public MessageListener{    
     Channel* const channel;