diff --git a/sources/SessionTracker/SessionHandler.php b/sources/SessionTracker/SessionHandler.php
index 27891a08f..4548eb82e 100644
--- a/sources/SessionTracker/SessionHandler.php
+++ b/sources/SessionTracker/SessionHandler.php
@@ -147,8 +147,7 @@ class SessionHandler extends \SessionHandler
 						$iCreationTime = $aJson['creation_time'];
 					}
 			    } else {
-					IssueLog::Warning(__METHOD__ . ': not a json due (session file corruption?)', null, [ 'sPreviousFileVersionContent' => $sPreviousFileVersionContent ]);
-					$aJson=[];
+					IssueLog::Debug(__METHOD__ . ': not a json due (session file corruption?)', null, [ 'sPreviousFileVersionContent' => $sPreviousFileVersionContent ]);
 				}
 			}