diff --git a/wp-includes/canonical.php b/wp-includes/canonical.php
index dfa6ec515d..12b2445aa1 100644
--- a/wp-includes/canonical.php
+++ b/wp-includes/canonical.php
@@ -568,7 +568,11 @@ function strip_fragment_from_url( $url ) {
 		if ( ! empty( $parsed_url['port'] ) ) {
 			$url .= ':' . $parsed_url['port'];
 		}
-		$url .= $parsed_url['path'];
+
+		if ( ! empty( $parsed_url['path'] ) ) {
+			$url .= $parsed_url['path'];
+		}
+
 		if ( ! empty( $parsed_url['query'] ) ) {
 			$url .= '?' . $parsed_url['query'];
 		}
diff --git a/wp-includes/version.php b/wp-includes/version.php
index daab568fb4..f47e25e2f5 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.9-alpha-41256';
+$wp_version = '4.9-alpha-41257';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.