diff --git a/package/php/Config.ext b/package/php/Config.ext
index 60ef1aee7c..51dcbbf4a4 100644
--- a/package/php/Config.ext
+++ b/package/php/Config.ext
@@ -132,6 +132,7 @@ if BR2_PACKAGE_PHP_EXT_PDO
 
 config BR2_PACKAGE_PHP_EXT_PDO_MYSQL
 	bool "MySQL"
+	select BR2_PACKAGE_PHP_EXT_HASH
 	help
 	  PDO driver for MySQL