Index: typo3/class.db_list_extra.inc
===================================================================
--- typo3/class.db_list_extra.inc	(revision 4815)
+++ typo3/class.db_list_extra.inc	(working copy)
@@ -1484,7 +1484,7 @@
 			// Getting header line with field names:
 		$csvRow = array();
 		foreach ($this->fieldArray as $fN) {
-			if ($fN == '_CONTROL_' || $fn == '_CLIPBOARD_') {
+			if ($fN == '_CONTROL_' || $fN == '_CLIPBOARD_') {
 					continue;
 			}
 			$csvRow[] = $fN;