1 files changed, 2 insertions, 1 deletions
diff --git a/cpp/src/qpid/sys/windows/IoHandlePrivate.h b/cpp/src/qpid/sys/windows/IoHandlePrivate.h
index 067c0fe6b7..cd89f39292 100755
--- a/cpp/src/qpid/sys/windows/IoHandlePrivate.h
+++ b/cpp/src/qpid/sys/windows/IoHandlePrivate.h
@@ -23,6 +23,7 @@
  */
 
 #include "AsynchIoResult.h"
+#include "qpid/CommonImportExport.h"
 
 #include <winsock2.h>
 
@@ -49,7 +50,7 @@ public:
     AsynchIO::RequestCallback cbRequest;
 };
 
-SOCKET toFd(const IOHandlePrivate* h);
+QPID_COMMON_EXTERN SOCKET toFd(const IOHandlePrivate* h);
 
 }}