diff --git a/libs/kxml/xml.c b/libs/kxml/xml.c
index ce445424..41e21612 100644
--- a/libs/kxml/xml.c
+++ b/libs/kxml/xml.c
@@ -46,6 +46,9 @@ struct s_KNodeNamelist;
 #include <assert.h>
 #include <string.h>
 
+#ifndef ATTRIBUTE_UNUSED
+#define ATTRIBUTE_UNUSED
+#endif
 
 #define XML_DEBUG(msg) DBGMSG (DBG_XML, DBG_FLAG(DBG_XML_XML), msg)