diff --git a/build.sh b/build.sh
index 2486433..2cd21d2 100644
--- a/build.sh
+++ b/build.sh
@@ -1,9 +1,8 @@
 #!/usr/bin/env bash
 export PATH="${jre}/bin:${coreutils}/bin:${graphviz}/bin:${asciidoctor_revealjs}/bin"
 
-${asciidoctor}/bin/asciidoctor -r asciidoctor-diagram -o ${out}/page.html ${src}/slides.adoc
+${asciidoctor}/bin/asciidoctor -r asciidoctor-diagram -o ${out}/page.html --trace  ${src}/slides.adoc
 asciidoctor-revealjs -r asciidoctor-diagram -o ${out}/slides.html --trace ${src}/slides.adoc
 cp -r ${revealjs} ${out}/reveal.js
 cp -r ${images} ${out}/images
 ln -s slides.html ${out}/index.html
-