diff --git a/core-bundle/src/Resources/contao/forms/Form.php b/core-bundle/src/Resources/contao/forms/Form.php
index <HASH>..<HASH> 100644
--- a/core-bundle/src/Resources/contao/forms/Form.php
+++ b/core-bundle/src/Resources/contao/forms/Form.php
@@ -555,7 +555,7 @@ class Form extends Hybrid
 		}
 		else
 		{
-			$this->log('Form "' . $this->title . '" has been submitted by ' . \System::anonymizeIp(\Environment::get('ip')) . '.', __METHOD__, TL_FORMS);
+			$this->log('Form "' . $this->title . '" has been submitted by a guest.', __METHOD__, TL_FORMS);
 		}
 
 		// Check whether there is a jumpTo page
[Core] Do not store the IP address upon form submission