1 files changed, 1 insertions, 0 deletions
diff --git a/lib/config.dos b/lib/config.dos
index 6b36fca49..7e1fe4781 100644
--- a/lib/config.dos
+++ b/lib/config.dos
@@ -48,6 +48,7 @@
 #define HAVE_STRICMP           1
 #define HAVE_STRTOLL           1
 #define HAVE_STRUCT_TIMEVAL    1
+#define HAVE_STRUCT_IN6_ADDR   1
 #define HAVE_SYS_IOCTL_H       1
 #define HAVE_SYS_SOCKET_H      1
 #define HAVE_SYS_STAT_H        1