diff --git a/config.h b/config.h
index 20150285..94c7e964 100644
--- a/config.h
+++ b/config.h
@@ -4,6 +4,7 @@
 #define USE_PLUGIN
 #define USE_OPENSSL
 #define USE_LIBSEXY
+#define USE_IPV6
 #define HAVE_ISO_CODES
 #define PACKAGE_NAME "xchat"
 #define PACKAGE_VERSION "1496-6"
diff --git a/src/makeinc.skel.mak b/src/makeinc.skel.mak
index c34803c4..ee3f1101 100644
--- a/src/makeinc.skel.mak
+++ b/src/makeinc.skel.mak
@@ -1,7 +1,7 @@
 CC = cl
 LINK = link
 CFLAGS = $(CFLAGS) /Ox /c /MD /MP /W0 /nologo
-CFLAGS = $(CFLAGS) /DWIN32 /DG_DISABLE_CAST_CHECKS /DG_DISABLE_DEPRECATED /DGDK_PIXBUF_DISABLE_DEPRECATED /DGDK_DISABLE_DEPRECATED /DUSE_IPV6 /DHAVE_STRTOULL /Dstrtoull=_strtoui64 /Dstrcasecmp=stricmp /Dstrncasecmp=strnicmp
+CFLAGS = $(CFLAGS) /DWIN32 /DG_DISABLE_CAST_CHECKS /DG_DISABLE_DEPRECATED /DGDK_PIXBUF_DISABLE_DEPRECATED /DGDK_DISABLE_DEPRECATED /DHAVE_STRTOULL /Dstrtoull=_strtoui64 /Dstrcasecmp=stricmp /Dstrncasecmp=strnicmp
 CFLAGS = $(CFLAGS) /I$(DEV)\include
 CPPFLAGS = /c /MD /W0 /nologo /DWIN32
 LDFLAGS = /subsystem:windows /nologo