diff --git a/wp-admin/includes/class-wp-filesystem-ftpsockets.php b/wp-admin/includes/class-wp-filesystem-ftpsockets.php
index 29ac7888ab..75b43c33b8 100644
--- a/wp-admin/includes/class-wp-filesystem-ftpsockets.php
+++ b/wp-admin/includes/class-wp-filesystem-ftpsockets.php
@@ -39,7 +39,7 @@ class WP_Filesystem_ftpsockets extends WP_Filesystem_Base {
 		if ( empty($opt['port']) )
 			$this->options['port'] = 21;
 		else
-			$this->options['port'] = $opt['port'];
+			$this->options['port'] = (int) $opt['port'];
 
 		if ( empty($opt['hostname']) )
 			$this->errors->add('empty_hostname', __('FTP hostname is required'));
diff --git a/wp-includes/version.php b/wp-includes/version.php
index af35b91846..9a855473c2 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.5-alpha-35941';
+$wp_version = '4.5-alpha-35942';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.