diff --git a/wp-includes/http.php b/wp-includes/http.php
index fe7c841325..c1dd390c82 100644
--- a/wp-includes/http.php
+++ b/wp-includes/http.php
@@ -659,8 +659,10 @@ function wp_parse_url( $url, $component = -1 ) {
 			if ( ! $parts = @parse_url( 'placeholder://placeholder' . $url, $component ) ) {
 				return $parts;
 			}
-			// Remove the placeholder values
-			unset( $parts['scheme'], $parts['host'] );
+			if ( is_array( $parts ) ) {
+				// Remove the placeholder values
+				unset( $parts['scheme'], $parts['host'] );
+			}
 		} else {
 			return $parts;
 		}
diff --git a/wp-includes/version.php b/wp-includes/version.php
index d2771a2379..64cca2d273 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.7-alpha-38449';
+$wp_version = '4.7-alpha-38450';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.