diff --git a/include/Makefile.am b/include/Makefile.am
index b4326dd..f4878be 100644
--- a/include/Makefile.am
+++ b/include/Makefile.am
@@ -17,6 +17,7 @@
 		libxml/xpath.h \
 		libxml/xpathInternals.h \
 		libxml/xpointer.h \
+		libxml/xinclude.h \
 		libxml/xmlIO.h \
 		libxml/xmlmemory.h \
 		libxml/nanohttp.h \