diff --git a/.github/scripts/goldenfile_checker.sh b/.github/scripts/goldenfile_checker.sh
index 7bafc266407f..df6577f53b41 100755
--- a/.github/scripts/goldenfile_checker.sh
+++ b/.github/scripts/goldenfile_checker.sh
@@ -7,6 +7,8 @@ set -euo pipefail
 # check if there is a diff in the xds testdata directory after running `make envoy-regen`
 make envoy-regen
 
+echo "$GITHUB_BASE_REF"
+echo git merge-base HEAD "$GITHUB_BASE_REF"
 changed_xds_files=$(git --no-pager diff --name-only HEAD "$(git merge-base HEAD "$GITHUB_BASE_REF")" | egrep "agent/xds/testdata/.*")
 
 # If we do not find a file in .changelog/, we fail the check