diff --git a/.github/workflows/test-formats.yml b/.github/workflows/test-formats.yml
index 2330119d..55ee29e4 100644
--- a/.github/workflows/test-formats.yml
+++ b/.github/workflows/test-formats.yml
@@ -54,7 +54,7 @@ jobs:
     - name: replace emoji
       # TODO getting: Missing character: There is no 🚀 (U+1F680) in font [FreeSansBold.otf]
       run: |
-        sed -i 's/🚀//g' docs/intro.md
+        sed -i 's/🚀 /-/g' docs/intro.md
     - name: Build docs
       run: |
         sphinx-build -nW --keep-going -b ${{ matrix.format }} docs/ docs/_build/${{ matrix.format }}