diff --git a/.ci/retrofit-worktree.sh b/.ci/retrofit-worktree.sh
index f926e59059e..b9c880a839f 100755
--- a/.ci/retrofit-worktree.sh
+++ b/.ci/retrofit-worktree.sh
@@ -12,6 +12,10 @@ export GIT_AUTHOR_EMAIL="ci-sage@example.com"
 export GIT_COMMITTER_NAME="$GIT_AUTHOR_NAME"
 export GIT_COMMITTER_EMAIL="$GIT_AUTHOR_EMAIL"
 
+# Set globally for other parts of the workflow
+git config --global user.name "$GIT_AUTHOR_NAME"
+git config --global user.email "$GIT_AUTHOR_EMAIL"
+
 set -ex
 
 # If actions/checkout downloaded our source tree using the GitHub REST API