diff --git a/src/antidote/org/apache/tools/ant/gui/acs/share.dtd b/src/antidote/org/apache/tools/ant/gui/acs/share.dtd
index b9e4d3772..48561105b 100644
--- a/src/antidote/org/apache/tools/ant/gui/acs/share.dtd
+++ b/src/antidote/org/apache/tools/ant/gui/acs/share.dtd
@@ -77,7 +77,7 @@
 	id CDATA #IMPLIED
 	refid CDATA #IMPLIED
 >
-<!ELEMENT fileset (include | exclude)*>
+<!ELEMENT fileset (include | exclude | patternset)*>
 <!ATTLIST fileset
 	id CDATA #IMPLIED
 	refid CDATA #IMPLIED