diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 1d01065d..7e941f2b 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -66,7 +66,7 @@ jobs:
           set -euxo pipefail
           crates_changed="$(echo "$ALL_CHANGED_FILES" | grep crates | cut -d / -f 2)"
           has_detect_target_changed="$(echo "$crates_changed" | grep -q detect-targets && echo true || echo false)"
-          echo "crates_changed=$crates_changed" | tee -a "$GITHUB_OUTPUT"
+          echo "crates_changed=${crates_changed//$'\n'/ }" | tee -a "$GITHUB_OUTPUT"
           echo "has_detect_target_changed=$has_detect_target_changed" | tee -a "$GITHUB_OUTPUT"
 
   unit-tests: