diff --git a/.github/actions/save_logs_and_results/action.yml b/.github/actions/save_logs_and_results/action.yml
index b5b793cd9..6aae83f19 100644
--- a/.github/actions/save_logs_and_results/action.yml
+++ b/.github/actions/save_logs_and_results/action.yml
@@ -24,14 +24,12 @@ runs:
         /tmp/pg_upgrade_newData_logs
   - name: Publish regression.diffs
     run: |-
-      if find src/test/regress -name "*.diffs" -type f -print -quit | grep -q .; then
-        diff=find src/test/regress -name "*.diffs" -exec cat {} +
-        if [ -z diff ]; then
-          echo '```diff' >> $GITHUB_STEP_SUMMARY
-          echo $diff >> $GITHUB_STEP_SUMMARY
-          echo '```' >> $GITHUB_STEP_SUMMARY
-          echo $diff
-        fi
+      diffs = "$(find src/test/regress -name "*.diffs" -exec cat {} +)"
+      if [ -z "$diffs" ]; then
+        echo '```diff' >> $GITHUB_STEP_SUMMARY
+        echo $diffs >> $GITHUB_STEP_SUMMARY
+        echo '```' >> $GITHUB_STEP_SUMMARY
+        echo $diffs
       fi
     shell: bash
   - name: Print stack traces