diff --git a/.github/workflows/render-preview.yaml b/.github/workflows/render-preview.yaml
index 255cd79..5ffa6be 100644
--- a/.github/workflows/render-preview.yaml
+++ b/.github/workflows/render-preview.yaml
@@ -56,9 +56,8 @@ jobs:
 
       - name: Render Rmarkdown files and Commit Results
         run: |
-          RMD_PATH=($(git diff --name-only ${{ github.event.before }} ${{ github.sha }} | grep '[.]Rmd$'))
-          Rscript -e 'for (f in commandArgs(TRUE)) if (file.exists(f)) rmarkdown::render(f)' ${RMD_PATH[*]}
+          Rscript -e 'rmarkdown::render("latex-math.Rmd")'
           git config --local user.name "$GITHUB_ACTOR"
           git config --local user.email "$GITHUB_ACTOR@users.noreply.github.com"
-          git commit ${RMD_PATH[*]/.Rmd/.md} -m 'Re-build Rmarkdown files' || echo "No changes to commit"
+          git commit latex-math.pdf -m 'Re-build latex-math.Rmd' || echo "No changes to commit"
           git push origin || echo "No changes to commit"