diff --git a/src/Console/Concerns/InteractsWithDockerComposeServices.php b/src/Console/Concerns/InteractsWithDockerComposeServices.php
index e52002f1..258738c6 100644
--- a/src/Console/Concerns/InteractsWithDockerComposeServices.php
+++ b/src/Console/Concerns/InteractsWithDockerComposeServices.php
@@ -185,7 +185,9 @@ protected function replaceEnvVariables(array $services)
         }
 
         if (in_array('mailpit', $services)) {
+            $environment = preg_replace("/^MAIL_MAILER=(.*)/m", "MAIL_MAILER=smtp", $environment);
             $environment = preg_replace("/^MAIL_HOST=(.*)/m", "MAIL_HOST=mailpit", $environment);
+            $environment = preg_replace("/^MAIL_PORT=(.*)/m", "MAIL_PORT=1025", $environment);
         }
 
         file_put_contents($this->laravel->basePath('.env'), $environment);