---
 doc/SystemTap_Tapset_Reference/Makefile.am |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

--- a/doc/SystemTap_Tapset_Reference/Makefile.am
+++ b/doc/SystemTap_Tapset_Reference/Makefile.am
@@ -43,7 +43,9 @@ stamp-htmldocs: tapsets.xml
 
 # bump up the allocated space so "xmlto pdf" works
 tapsets.pdf: tapsets.xml
-	env pool_size=2000000 hash_extra=2000000 xmlto $(XMLTOPDFPARAMS) pdf tapsets.xml >/dev/null 2>&1
+#	env pool_size=2000000 hash_extra=2000000 xmlto $(XMLTOPDFPARAMS) pdf tapsets.xml >/dev/null 2>&1
+	xmlto fo tapsets.xml
+	fop tapsets.fo tapsets.pdf
 
 stamp-mandocs: tapsets.xml
 	xmlto $(XMLTOMANPARAMS) man -o man3 tapsets.xml >/dev/null 2>&1