diff --git a/PHPCI/Helper/SshKey.php b/PHPCI/Helper/SshKey.php
index ca12a815..47bd85bd 100644
--- a/PHPCI/Helper/SshKey.php
+++ b/PHPCI/Helper/SshKey.php
@@ -63,7 +63,7 @@ class SshKey
      */
     public function canGenerateKeys()
     {
-        $keygen = @shell_exec('ssh-keygen -h');
+        $keygen = @shell_exec('ssh-keygen --help');
         $canGenerateKeys = !empty($keygen);
 
         return $canGenerateKeys;