diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 3e05f9481b309a03814af53fb64f48dd6a7d7ae0..ea8ebc21f215dffc385244151797bae6d67d2eca 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -2,6 +2,7 @@ pages:
   stage: deploy
   script:
   - pandoc --version
+  - pandoc --list-input-formats
   - for file in $(find -name "*.md"); do
       pandoc -s -f markdown_github -t html -o ${file%.*}.html $file && echo "Exported ${file%.*}.html" || echo "ERROR $file";
     done