diff --git a/wp-includes/class-http.php b/wp-includes/class-http.php
index c014004c05..206d406539 100644
--- a/wp-includes/class-http.php
+++ b/wp-includes/class-http.php
@@ -213,7 +213,7 @@ class WP_Http {
 		 * and pick its name using the basename of the $url.
 		 */
 		if ( $r['stream']  && empty( $r['filename'] ) ) {
-			$r['filename'] = wp_unique_filename( get_temp_dir(), basename( $url ) );
+			$r['filename'] = get_temp_dir() . wp_unique_filename( get_temp_dir(), basename( $url ) );
 		}
 
 		/*
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 8297dc545c..e3a0247f95 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.3-alpha-32711';
+$wp_version = '4.3-alpha-32712';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.