diff --git a/test/kokoro/xds_k8s_install_test_driver.sh b/test/kokoro/xds_k8s_install_test_driver.sh
index 54d9127608c..a342bd995f9 100755
--- a/test/kokoro/xds_k8s_install_test_driver.sh
+++ b/test/kokoro/xds_k8s_install_test_driver.sh
@@ -19,7 +19,7 @@ set -eo pipefail
 readonly PYTHON_VERSION="3.6"
 # Test driver
 readonly TEST_DRIVER_REPO_NAME="grpc"
-readonly TEST_DRIVER_REPO_URL="https://github.com/grpc/grpc.git"
+readonly TEST_DRIVER_REPO_URL="https://github.com/${TEST_DRIVER_REPO_OWNER:-grpc}/grpc.git"
 readonly TEST_DRIVER_BRANCH="${TEST_DRIVER_BRANCH:-master}"
 readonly TEST_DRIVER_PATH="tools/run_tests/xds_k8s_test_driver"
 readonly TEST_DRIVER_PROTOS_PATH="src/proto/grpc/testing"