diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 790733f1d..561737781 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -15,6 +15,11 @@ jobs:
       - uses: actions/checkout@v4
         with:
           fetch-depth: 0
+      - name: debug
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y fonts-noto fonts-open-sans
+          fc-list
       - name: Get Core Sans
         uses: actions/checkout@v4
         if: "!github.event.pull_request.head.repo.fork"
@@ -47,7 +52,7 @@ jobs:
           cargo install mdbook-pandoc --locked --version 0.7.1
           sudo apt-get update
           sudo apt-get install -y fonts-noto fonts-open-sans calibre pdftk
-          fc-list |
+          fc-list
           export PANDOC_VERSION=3.3
           curl -LsSf https://github.com/jgm/pandoc/releases/download/${PANDOC_VERSION}/pandoc-${PANDOC_VERSION}-linux-amd64.tar.gz | tar zxf -
           echo "$PWD/pandoc-${PANDOC_VERSION}/bin" >> $GITHUB_PATH