diff --git a/lib/Varien/Db/Adapter/Pdo/Mysql.php b/lib/Varien/Db/Adapter/Pdo/Mysql.php
index d8e7d9a7e6752..8b8b156429bab 100644
--- a/lib/Varien/Db/Adapter/Pdo/Mysql.php
+++ b/lib/Varien/Db/Adapter/Pdo/Mysql.php
@@ -1885,7 +1885,7 @@ public function insertOnDuplicate($table, array $data, array $fields = array())
                 }
             } elseif (is_string($v)) {
                 $value = sprintf('VALUES(%s)', $this->quoteIdentifier($v));
-                $field = $v;
+                $field = $this->quoteIdentifier($v);
             }
 
             if ($field && $value) {
diff --git a/lib/Varien/Io/Sftp.php b/lib/Varien/Io/Sftp.php
index 58c6625ad4699..a5d2fd9d30b4f 100644
--- a/lib/Varien/Io/Sftp.php
+++ b/lib/Varien/Io/Sftp.php
@@ -179,7 +179,7 @@ public function read($filename, $dest=null)
      */
     public function write($filename, $src, $mode=null)
     {
-        return $this->_connection->put($filename, $src);
+        return $this->_connection->put($filename, $src, NET_SFTP_LOCAL_FILE);
     }
 
     /**