diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index f6b3c5ba..fa12ca43 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -16,7 +16,7 @@ jobs:
           python-version: '3.10'
       - name: Install Doxypypy
         run: pip3 install doxypypy
-            | where doxypypy
+            | which doxypypy
         shell: bash
       - name: Doxygen Deploy Action
         uses: DenverCoder1/doxygen-github-pages-action@v1.3.1