diff --git a/fhem/CHANGED b/fhem/CHANGED
index a329d672b..85780e6e9 100644
--- a/fhem/CHANGED
+++ b/fhem/CHANGED
@@ -1,5 +1,6 @@
 # Add changes at the top of the list. Keep it in ASCII, and 80-char wide.
 # Do not insert empty lines here, update check depends on it.
+ - bugfix:  98_backup.pm: log output include files (forum #115478)
  - bugfix:  93_Log2Syslog: avoid Logfile archive execution done in rare cases
  - change:  50_SSChatBot: quotation marks can be used in text tag of received 
                           messages
diff --git a/fhem/FHEM/98_backup.pm b/fhem/FHEM/98_backup.pm
index b14eee550..7fc2417ff 100644
--- a/fhem/FHEM/98_backup.pm
+++ b/fhem/FHEM/98_backup.pm
@@ -162,10 +162,13 @@ sub addConfDBFiles {
     else {
         # get pathnames to archiv
         push( @pathname, $configfile ) if ($configfile);
-        Log( 2, 'backup include: ' . $configfile );
+        Log( 2, 'backup include: ' . $configfile )
+          if ($configfile);
+
         $ret = parseConfig($configfile);
         push( @pathname, $statefile ) if ($statefile);
-        Log( 2, 'backup include: ' . $statefile );
+        Log( 2, 'backup include: ' . $statefile )
+          if ($statefile);
     }
     
     return $ret;