diff --git a/retroshare-gui/src/gui/TransfersDialog.cpp b/retroshare-gui/src/gui/TransfersDialog.cpp
index 9f9e8ad07..2033c202a 100644
--- a/retroshare-gui/src/gui/TransfersDialog.cpp
+++ b/retroshare-gui/src/gui/TransfersDialog.cpp
@@ -19,6 +19,10 @@
  *  Boston, MA  02110-1301, USA.
  ****************************************************************/
 
+#ifdef WIN32
+	#include <Windows.h>
+#endif
+
 
 #include "rshare.h"
 #include "TransfersDialog.h"