diff --git a/dev/devicelab/lib/framework/adb.dart b/dev/devicelab/lib/framework/adb.dart
index a1412053fb..841f7ff03d 100644
--- a/dev/devicelab/lib/framework/adb.dart
+++ b/dev/devicelab/lib/framework/adb.dart
@@ -793,7 +793,7 @@ class IosDevice extends Device {
 
   @override
   Future<void> reboot() {
-    return Process.run('idevicesyslog', <String>['reboot', '-u', deviceId]);
+    return Process.run('idevicediagnostics', <String>['restart', '-u', deviceId]);
   }
 }