diff --git a/FHEM/92_FileLog.pm b/FHEM/92_FileLog.pm
index 47dc3b5c9..562a91411 100755
--- a/FHEM/92_FileLog.pm
+++ b/FHEM/92_FileLog.pm
@@ -262,8 +262,8 @@ RESCAN:
     my $l;
 
     if($rescan) {
-      last if($rescanIdx<=1 || !$rescanNum);
-      $l = $rescanArr[--$rescanIdx];
+      last if($rescanIdx<1 || !$rescanNum);
+      $l = $rescanArr[$rescanIdx--];
     } else {
       $l = <$ifh>;
       last if(!$l);