1 files changed, 1 insertions, 0 deletions

diff --git a/HTMLtree.c b/HTMLtree.c
index 7868d644..e02465dd 100644
--- a/HTMLtree.c
+++ b/HTMLtree.c
@@ -7,6 +7,7 @@
  */
 
 
+#define IN_LIBXML
 #include "libxml.h"
 #ifdef LIBXML_HTML_ENABLED