diff --git a/lib/Magento/Framework/DB/Adapter/Pdo/Mysql.php b/lib/Magento/Framework/DB/Adapter/Pdo/Mysql.php
index de85b40366bd7..300ff23168846 100644
--- a/lib/Magento/Framework/DB/Adapter/Pdo/Mysql.php
+++ b/lib/Magento/Framework/DB/Adapter/Pdo/Mysql.php
@@ -1141,7 +1141,7 @@ public function getForeignKeys($tableName, $schemaName = null)
 
             // collect CONSTRAINT
             $regExp  = '#,\s+CONSTRAINT `([^`]*)` FOREIGN KEY \(`([^`]*)`\) '
-                . 'REFERENCES (`[^`]*\.)?`([^`]*)` \(`([^`]*)`\)'
+                . 'REFERENCES (`[^`]*`\.)?`([^`]*)` \(`([^`]*)`\)'
                 . '( ON DELETE (RESTRICT|CASCADE|SET NULL|NO ACTION))?'
                 . '( ON UPDATE (RESTRICT|CASCADE|SET NULL|NO ACTION))?#';
             $matches = array();