diff --git a/src/Psysh/Shell.php b/src/Psysh/Shell.php
index d850aff8b8..e94b3f6e64 100644
--- a/src/Psysh/Shell.php
+++ b/src/Psysh/Shell.php
@@ -30,7 +30,7 @@ protected function getCommand(string $input)
      *
      * @return bool True if the shell has a command for the given input.
      */
-    protected function hasCommand(string $input): bool
+    public function hasCommand(string $input): bool
     {
         if ($name = $this->getCommandFromInput($input)) {
             return $this->has($name);