diff --git a/tools/run_tests/artifacts/build_artifact_php.sh b/tools/run_tests/artifacts/build_artifact_php.sh
index dd242d1c2589a..e7f94b50caaec 100755
--- a/tools/run_tests/artifacts/build_artifact_php.sh
+++ b/tools/run_tests/artifacts/build_artifact_php.sh
@@ -17,6 +17,8 @@ set -ex
 
 cd "$(dirname "$0")/../../.."
 
+if [ -f ./generate_artifacts.sh ]; then ./generate_artifacts.sh; fi
+
 mkdir -p "${ARTIFACTS_OUT}"
 
 # Build the PHP extension archive (this just zips all the files up)