--- a/src/Preflight/RedispatchToSiteLocal.php	2020-06-06 00:30:31.428000000 +0200
+++ b/src/Preflight/RedispatchToSiteLocal.php	2020-06-06 00:30:01.088000000 +0200
@@ -45,6 +45,10 @@
             return false;
         }
 
+        if(dirname($argv[0]) == dirname($siteLocalDrush)) {
+            return false;
+        }
+
         // Redispatch!
         $command = escapeshellarg($siteLocalDrush);
         $preflightLog->log(dt('Redispatch to site-local Drush: !cmd.', ['!cmd' => $command]));