diff --git a/Sd1/Makefile b/Sd1/Makefile
index 2bc9293eb20bbd66381d38ee8f5aaec10de8375f..e6b161a0b08d2e3d531c7a607e1a0ae24c2c94d7 100644
--- a/Sd1/Makefile
+++ b/Sd1/Makefile
@@ -52,7 +52,7 @@ ${OWNCLOUDPDF}:${SCRIPTBASENAME}.xml
                 -s pdf -s "|pdf" -u  ${OWNCLOUDPDF}
 
 
-${BUILDNAVI}/index.html ${BUILDNAVI}/printversion.pdf:${SCRIPTBASENAME}.xml lastAnswerId.xml
+${BUILDNAVI}/index.html ${BUILDNAVI}/printversion.pdf:${SCRIPTBASENAME}.xml lastAnswerId.xml dirty
 	rm -rf ${BUILDBASE} || true
 	mkdir -p ${BUILDNAVI} ${BUILDNONAVI}
 	#cd Ref/Fig;make all