diff --git a/doc/guide/Makefile.am b/doc/guide/Makefile.am
index 8f3aaaf23b..3bffa1af25 100644
--- a/doc/guide/Makefile.am
+++ b/doc/guide/Makefile.am
@@ -17,7 +17,7 @@ bind10-guide.html: bind10-guide.xml
 		-o $@ \
 		--stringparam section.autolabel 1 \
 		--stringparam section.label.includes.component.label 1 \
-		--stringparam html.stylesheet $(srcdir)/bind10-guide.css \
+		--stringparam html.stylesheet bind10-guide.css \
 		http://docbook.sourceforge.net/release/xsl/current/html/docbook.xsl \
 		$(srcdir)/bind10-guide.xml
 
@@ -28,7 +28,7 @@ bind10-messages.html: bind10-messages.xml
 	@XSLTPROC@ --novalid --xinclude --nonet \
 		--path $(top_builddir)/doc \
 		-o $@ \
-		--stringparam html.stylesheet $(srcdir)/bind10-guide.css \
+		--stringparam html.stylesheet bind10-guide.css \
 		http://docbook.sourceforge.net/release/xsl/current/html/docbook.xsl \
 		bind10-messages.xml