diff --git a/Makefile b/Makefile
index 9cddff915..00eeb2748 100644
--- a/Makefile
+++ b/Makefile
@@ -48,6 +48,7 @@ book: validate profile-html
 	$(Q)mkdir -p $(BASEDIR)/stylesheets
 	$(Q)cp stylesheets/lfs-xsl/*.css $(BASEDIR)/stylesheets
 	$(Q)sed -i 's|../stylesheet|stylesheet|' $(BASEDIR)/index.html
+	$(Q)sed -i 's/xmlns:xlink.*xlink"//' $(BASEDIR)/longindex.html
 
 	$(Q)mkdir -p $(BASEDIR)/images
 	$(Q)cp images/*.png $(BASEDIR)/images