diff --git a/ext/pdo_mysql/pdo_mysql.c b/ext/pdo_mysql/pdo_mysql.c
index 018040dc8e9..10ff90b9b5a 100755
--- a/ext/pdo_mysql/pdo_mysql.c
+++ b/ext/pdo_mysql/pdo_mysql.c
@@ -75,7 +75,7 @@ ZEND_GET_MODULE(pdo_mysql)
  */
 PHP_MINIT_FUNCTION(pdo_mysql)
 {
-	REGISTER_PDO_CONST_LONG("PDO_MYSQL_ATTR_USE_BUFFERED_QUERY", (long)PDO_MYSQL_ATTR_USE_BUFFERED_QUERY);
+	REGISTER_PDO_CONST_LONG("MYSQL_ATTR_USE_BUFFERED_QUERY", (long)PDO_MYSQL_ATTR_USE_BUFFERED_QUERY);
 
 	return php_pdo_register_driver(&pdo_mysql_driver);
 }
diff --git a/ext/pdo_pgsql/pdo_pgsql.c b/ext/pdo_pgsql/pdo_pgsql.c
index f945db80b47..58a9e3bfd2f 100644
--- a/ext/pdo_pgsql/pdo_pgsql.c
+++ b/ext/pdo_pgsql/pdo_pgsql.c
@@ -77,7 +77,7 @@ ZEND_GET_MODULE(pdo_pgsql)
 PHP_MINIT_FUNCTION(pdo_pgsql)
 {
 	php_pdo_register_driver(&pdo_pgsql_driver);
-	REGISTER_PDO_CONST_LONG("PDO_PGSQL_ATTR_DISABLE_NATIVE_PREPARED_STATEMENT", PDO_PGSQL_ATTR_DISABLE_NATIVE_PREPARED_STATEMENT);
+	REGISTER_PDO_CONST_LONG("PGSQL_ATTR_DISABLE_NATIVE_PREPARED_STATEMENT", PDO_PGSQL_ATTR_DISABLE_NATIVE_PREPARED_STATEMENT);
 	return SUCCESS;
 }
 /* }}} */