Turn off attribute expansion
diff --git a/Makefile b/Makefile
index 2652f39..209b19b 100644
--- a/Makefile
+++ b/Makefile
@@ -8,7 +8,7 @@
 YY ?= 18
 MAKE ?= make -j $(shell nproc)
 KORAPXML2CONLLU ?= java -jar lib/korapxml2conllu.jar
-SAXON ?= java -cp lib/saxon9ee.jar:lib/xml-resolver-1.2.jar net.sf.saxon.Transform -catalog:"lib/dtds/xhtml11/xhtmlcatalog.xml;lib/dtds/xhtml/dtd/xhtmlcatalog.xml"
+SAXON ?= java -cp lib/saxon9ee.jar:lib/xml-resolver-1.2.jar net.sf.saxon.Transform -expand:off -catalog:"lib/dtds/xhtml11/xhtmlcatalog.xml;lib/dtds/xhtml/dtd/xhtmlcatalog.xml"
 
 .PHONY: all clean test i5 i5valid krill index deploy server-log server-status