diff --git a/snmplib/transports/snmpUDPIPv6Domain.c b/snmplib/transports/snmpUDPIPv6Domain.c

index e6f5b20..41a5e01 100644

--- a/snmplib/transports/snmpUDPIPv6Domain.c

+++ b/snmplib/transports/snmpUDPIPv6Domain.c

@@ -34,6 +34,11 @@

 #if HAVE_SYS_SOCKET_H

 #include <sys/socket.h>

 #endif

+

+#if defined(HAVE_WINSOCK_H) && !defined(mingw32)

+static const struct in6_addr in6addr_any = IN6ADDR_ANY_INIT;

+#endif

+

 #if HAVE_NETINET_IN_H

 #include <netinet/in.h>

 #endif