diff --git a/library/Zend/Db/Adapter/Sqlsrv.php b/library/Zend/Db/Adapter/Sqlsrv.php
index 4d84b76bc1..564a04a58a 100644
--- a/library/Zend/Db/Adapter/Sqlsrv.php
+++ b/library/Zend/Db/Adapter/Sqlsrv.php
@@ -461,7 +461,7 @@ public function describeTable($tableName, $schemaName = null)
          * Discover primary key column(s) for this table.
          */
         $tableOwner = $result[0][$owner];
-        $sql        = "exec sp_pkeys @table_owner = " . $tableOwner
+        $sql        = "exec sp_pkeys @table_owner = " . $this->quoteIdentifier($tableOwner, true)
                     . ", @table_name = " . $this->quoteIdentifier($tableName, true);
         $stmt       = $this->query($sql);