diff --git a/security/Member.php b/security/Member.php
index 080a30ebd..de0949fee 100755
--- a/security/Member.php
+++ b/security/Member.php
@@ -786,7 +786,7 @@ class Member extends DataObject {
 		if (self::$title_format) {
 			$columnsWithTablename = array();
 			foreach(self::$title_format['columns'] as $column) {
-				$columnsWithTablename[] = "$tableName.$column";
+				$columnsWithTablename[] = "\"$tableName\".\"$column\"";
 			}
 		
 			return "(\"".join("'".self::$title_format['sep']."'" || $columnsWithTablename)."\")";