diff --git a/.github/actions/save_logs_and_results/action.yml b/.github/actions/save_logs_and_results/action.yml
index 1b2f6b758..32f16c07b 100644
--- a/.github/actions/save_logs_and_results/action.yml
+++ b/.github/actions/save_logs_and_results/action.yml
@@ -21,9 +21,9 @@ runs:
   - name: Publish regression.diffs
     run: |-
       if [ -f "src/test/regress/regression.diffs" ]; then
-        echo "```diff" >> $GITHUB_STEP_SUMMARY
+        echo '```diff' >> $GITHUB_STEP_SUMMARY
         cat src/test/regress/regression.diffs >> $GITHUB_STEP_SUMMARY
-        echo "```" >> $GITHUB_STEP_SUMMARY
+        echo '```' >> $GITHUB_STEP_SUMMARY
       fi
     shell: bash
   - name: Print stack traces