diff --git a/htdocs/core/commonfieldsinexport.inc.php b/htdocs/core/commonfieldsinexport.inc.php
index 034fbcd4679..9f416079cce 100644
--- a/htdocs/core/commonfieldsinexport.inc.php
+++ b/htdocs/core/commonfieldsinexport.inc.php
@@ -19,7 +19,7 @@ if (class_exists($keyforclass))
 		$fieldname = $keyforalias . '.' . $keyfield;
 		$fieldlabel = ucfirst($valuefield['label']);
 		$typeFilter = "Text";
-		$typefield=preg_replace('/\(.*$/', '', $valuefield['type']);	// double(24,8) -> double
+		$typefield = preg_replace('/\(.*$/', '', $valuefield['type']);	// double(24,8) -> double
 		switch ($typefield) {
 			case 'int':
 			case 'integer':
@@ -47,7 +47,10 @@ if (class_exists($keyforclass))
 			 * break;
 			 */
 		}
-		$helpfield=preg_replace('/\(.*$/', '', $valuefield['help']);
+		$helpfield = '';
+		if (! empty($valuefield['help'])) {
+			$helpfield = preg_replace('/\(.*$/', '', $valuefield['help']);
+		}
 		if ($valuefield['enabled']) {
 			$this->export_fields_array[$r][$fieldname] = $fieldlabel;
 			$this->export_TypeFields_array[$r][$fieldname] = $typeFilter;