diff --git a/src/Option.js b/src/Option.js
index 0f4c45678a..db7a91574e 100644
--- a/src/Option.js
+++ b/src/Option.js
@@ -1,7 +1,7 @@
 import classNames from 'classnames';
 import PropTypes from 'prop-types';
 import React from 'react';
-import { blockEvent } from './utils/blockEvent';
+import blockEvent from './utils/blockEvent';
 
 class Option extends React.Component {
 
diff --git a/src/utils/defaultFilterOptions.js b/src/utils/defaultFilterOptions.js
index 9d92331e8c..9223d77151 100644
--- a/src/utils/defaultFilterOptions.js
+++ b/src/utils/defaultFilterOptions.js
@@ -22,7 +22,7 @@ const filterOptions = (options, filterValue, excludeOptions, props) => {
 
 	return options.filter(option => {
 		if (excludeOptions && excludeOptions.indexOf(option[props.valueKey]) > -1) return false;
-		if (props.filterOption) return props.filterOption.call(this, option, filterValue);
+		if (props.filterOption) return props.filterOption.call(undefined, option, filterValue);
 		if (!filterValue) return true;
 
 		const value = option[props.valueKey];