@@ -28,10 +28,14 @@
 # include <sys/types.h>
 # include <sys/socket.h>
 #endif
 
 #import "OFStreamSocket.h"
+
+#ifdef _WIN32
+# include <winsock2.h>
+#endif
 
 #import "OFInitializationFailedException.h"
 #import "OFNotConnectedException.h"
 #import "OFReadFailedException.h"
 #import "OFSetOptionFailedException.h"