diff --git a/lib/Doctrine/DBAL/Schema/OracleSchemaManager.php b/lib/Doctrine/DBAL/Schema/OracleSchemaManager.php
index a02933d241d..373acac261d 100644
--- a/lib/Doctrine/DBAL/Schema/OracleSchemaManager.php
+++ b/lib/Doctrine/DBAL/Schema/OracleSchemaManager.php
@@ -318,6 +318,9 @@ public function createDatabase($database = null)
      */
     public function dropAutoincrement($table)
     {
+        if ($table instanceof Table) {
+            $table = $table->getQuotedName($this->_platform);
+        }
         $sql = $this->_platform->getDropAutoincrementSql($table);
         foreach ($sql as $query) {
             $this->_conn->executeUpdate($query);