--- ../../../../typo380_original/typo3/sysext/impexp/class.tx_impexp.php	2005-05-23 02:41:29.000000000 +0200
+++ class.tx_impexp.php	2005-11-06 12:18:21.073552232 +0100
@@ -1850,7 +1850,13 @@
 			if (@is_file($tmpFile))	{
 				$this->unlinkFiles[] = $tmpFile;
 				if (filesize($tmpFile)==$this->dat['files'][$fI['ID']]['filesize'])	{
-					$this->alternativeFileName[$tmpFile] = $fI['filename'];
+					if (isset($fI['filename'])) {
+						// this is the new format since 3.8)
+						$this->alternativeFileName[$tmpFile] = $fI['filename'];
+					} else {
+						// this are formats before 3.8
+						$this->alternativeFileName[$tmpFile] = $fI['fieldvalue'];
+					}
 
 					return $tmpFile;
 				} else $this->error('Error: temporary file '.$tmpFile.' had a size ('.filesize($tmpFile).') different from the original ('.$this->dat['files'][$fI['ID']]['filesize'].')',1);