Index: Doctrine/Query.php
===================================================================
--- Doctrine/Query.php	(revision 7691)
+++ Doctrine/Query.php	(working copy)
@@ -663,8 +663,8 @@
 
                 // Fix for http://www.doctrine-project.org/jira/browse/DC-585
                 // Add selected columns to pending fields
-                if (preg_match('/^([^\(]+)\.(\'?)(.*?)(\'?)$/', $expression, $field)) {
-                    $this->_pendingFields[$componentAlias][$alias] = $field[3];
+                if (preg_match('/^[^\(]+\.[\'|`]?(.*?)[\'|`]?$/', $expression, $field)) {
+                    $this->_pendingFields[$componentAlias][$alias] = $field[1];
                 }
 
             } else {