diff --git a/Classes/Utility/Wget/WgetCommand.php b/Classes/Utility/Wget/WgetCommand.php
index 89eb920f..1a8a1e06 100644
--- a/Classes/Utility/Wget/WgetCommand.php
+++ b/Classes/Utility/Wget/WgetCommand.php
@@ -594,7 +594,8 @@ protected function buildCommand()
             }
         }
 
-        return sprintf('%s %s "%s"', $this->wgetBinaryPath, implode(' ', $arguments), $this->url);
+        return sprintf('%s %s "%s"', $this->wgetBinaryPath, implode(' ', array_map('escapeshellarg', $arguments)), escapeshellarg($this->url));
+
     }