diff --git a/src/Psysh/DrushCommand.php b/src/Psysh/DrushCommand.php
index 5a453d6b11..7248094f54 100644
--- a/src/Psysh/DrushCommand.php
+++ b/src/Psysh/DrushCommand.php
@@ -60,7 +60,7 @@ protected function configure(): void
     /**
      * {@inheritdoc}
      */
-    protected function execute(InputInterface $input, OutputInterface $output)
+    protected function execute(InputInterface $input, OutputInterface $output): int
     {
         $args = $input->getArguments();
         $first = array_shift($args);
@@ -88,6 +88,8 @@ protected function execute(InputInterface $input, OutputInterface $output)
         } else {
             $output->page($process->getOutput());
         }
+
+        return $process->getExitCode();
     }
 
     /**