diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 63a47af01d5a186c63ce082e334d643d34545627..1af9cb7f013b5fe384b11395a0c9605c2a6d1f03 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -45,12 +45,18 @@ pages:
     mkdir build && cd build
       for MDFILE in ../slides/*.md; do
         TARGET=${MDFILE/.md/.html}
-        pandoc -t revealjs -s --mathjax -o ${TARGET} ../slides/${MDFILE} \
-              -V revealjs-url=https://unpkg.com/reveal.js/ \
-              -V theme=${REVEAL_THEME} \
-              --include-in-header=../slides/dumux_course.css
+        TARGET=${TARGET#../slides/}
+        echo "Processing file '${MDFILE}' into '${TARGET}'"
+        pandoc -t revealjs -s --mathjax \
+               -o ${TARGET} ../slides/${MDFILE} \
+               -V revealjs-url=https://unpkg.com/reveal.js/ \
+               -V theme=${REVEAL_THEME} \
+               --include-in-header=../slides/dumux_course.css
       done
+      echo "PDW = $(pwd)"
+      ls
     cd ..
+  - ls build
   - mkdir public && mv build/* public
   artifacts:
     paths: