diff --git a/src/parser_libxml2.c b/src/parser_libxml2.c
index ab10a4b..1efe4fe 100644
--- a/src/parser_libxml2.c
+++ b/src/parser_libxml2.c
@@ -46,7 +46,7 @@ static void _set_attributes(xmpp_stanza_t *stanza, const xmlChar **attrs)
     if (!attrs) return;
 
     for (i = 0; attrs[i]; i += 2) {
-        xmpp_stanza_set_attribute(stanza, attrs[i], attrs[i+1]);
+        xmpp_stanza_set_attribute(stanza, (const char *)attrs[i], (const char *)attrs[i+1]);
     }
 }