1 files changed, 1 insertions, 1 deletions
diff --git a/qpid/cpp/include/qmf/AgentSession.h b/qpid/cpp/include/qmf/AgentSession.h
index 39d921a8ec..1eeb252143 100644
--- a/qpid/cpp/include/qmf/AgentSession.h
+++ b/qpid/cpp/include/qmf/AgentSession.h
@@ -40,7 +40,7 @@ namespace qmf {
     class Data;
     class DataAddr;
 
-    class AgentSession : public qmf::Handle<AgentSessionImpl> {
+    class QMF_CLASS_EXTERN AgentSession : public qmf::Handle<AgentSessionImpl> {
     public:
         QMF_EXTERN AgentSession(AgentSessionImpl* impl = 0);
         QMF_EXTERN AgentSession(const AgentSession&);