diff --git a/dev/devicelab/lib/framework/runner.dart b/dev/devicelab/lib/framework/runner.dart
index 9b80a45e41e..0bf2937549d 100644
--- a/dev/devicelab/lib/framework/runner.dart
+++ b/dev/devicelab/lib/framework/runner.dart
@@ -190,7 +190,7 @@ Future<TaskResult> runTask(
       .transform<String>(const LineSplitter())
       .listen((String line) {
     if (!uri.isCompleted) {
-      final Uri? serviceUri = parseServiceUri(line, prefix: RegExp('(Observatory|Dart VM Service) listening on '));
+      final Uri? serviceUri = parseServiceUri(line, prefix: RegExp('(Observatory|The Dart VM service is) listening on '));
       if (serviceUri != null)
         uri.complete(serviceUri);
     }