diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 34f4fc15b..a1dc5fe60 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -17,6 +17,6 @@ jobs:
       - run: pip install mkdocs-material 
       - run: pip install mkdocs-glightbox
       - run: sudo apt-get install imagemagick pngquant
-      - run: find . -name '*.png' -execdir bash -c 'mogrify -resize 750x "$1"' - {} ;
-      - run: find . -name '*.png' -execdir bash -c 'pngquant "$1" --ext .png --force' - {} ;
+      - run: find . -name '*.png' -execdir bash -c 'mogrify -resize 750x "$1"' - {} \;
+      - run: find . -name '*.png' -execdir bash -c 'pngquant "$1" --ext .png --force' - {} \;
       - run: mkdocs gh-deploy --force
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