diff --git a/basis/xml/data/data.factor b/basis/xml/data/data.factor
index 71d5946f61..27f2d5a00f 100644
--- a/basis/xml/data/data.factor
+++ b/basis/xml/data/data.factor
@@ -214,8 +214,8 @@ M: xml like
 : <contained-tag> ( name attrs -- tag )
     f <tag> ;
 
-PREDICATE: contained-tag < tag children>> not ;
-PREDICATE: open-tag < tag children>> ;
+PREDICATE: contained-tag < tag children>> empty? ;
+PREDICATE: open-tag < tag children>> empty? not ;
 
 TUPLE: unescaped string ;
 C: <unescaped> unescaped