diff --git a/core/scripts/run-tests.sh b/core/scripts/run-tests.sh
index 4880a21f80..4fbd77c254 100644
--- a/core/scripts/run-tests.sh
+++ b/core/scripts/run-tests.sh
@@ -468,7 +468,7 @@ function simpletest_script_init() {
   // Detect if we're in the top-level process using the private 'execute-test'
   // argument. Determine if being run on drupal.org's testing infrastructure
   // using the presence of 'drupaltestbot' in the database url.
-  if (!$args['execute-test'] && preg_match('/drupaltestbot/', $args['dburl'])) {
+  if (!$args['execute-test'] && preg_match('/drupalci/', $args['sqlite'])) {
     // Update PHPUnit if needed and possible. There is a later check once the
     // autoloader is in place to ensure we're on the correct version. We need to
     // do this before the autoloader is in place to ensure that it is correct.