--- Platforms/MySqlPlatform.old.php	2011-05-13 16:33:41.000000000 -0500
+++ Platforms/MySqlPlatform.php	2011-05-13 16:31:42.000000000 -0500
@@ -425,12 +425,12 @@
         foreach ($diff->changedColumns AS $columnDiff) {
             /* @var $columnDiff Doctrine\DBAL\Schema\ColumnDiff */
             $column = $columnDiff->column;
-            $queryParts[] =  'CHANGE ' . ($columnDiff->oldColumnName) . ' '
+            $queryParts[] =  'CHANGE ' . $this->quoteIdentifier($columnDiff->oldColumnName) . ' '
                     . $this->getColumnDeclarationSQL($column->getQuotedName($this), $column->toArray());
         }
 
         foreach ($diff->renamedColumns AS $oldColumnName => $column) {
-            $queryParts[] =  'CHANGE ' . $oldColumnName . ' '
+            $queryParts[] =  'CHANGE ' . $this->quoteIdentifier($oldColumnName) . ' '
                     . $this->getColumnDeclarationSQL($column->getQuotedName($this), $column->toArray());
         }