diff --git a/wp-includes/rest-api.php b/wp-includes/rest-api.php
index 9e7d37f2c7..72ee1b696e 100644
--- a/wp-includes/rest-api.php
+++ b/wp-includes/rest-api.php
@@ -325,6 +325,8 @@ function get_rest_url( $blog_id = null, $path = '/', $scheme = 'rest' ) {
 		$path = '/';
 	}
 
+	$path = '/' . ltrim( $path, '/' );
+
 	if ( is_multisite() && get_blog_option( $blog_id, 'permalink_structure' ) || get_option( 'permalink_structure' ) ) {
 		global $wp_rewrite;
 
@@ -334,7 +336,7 @@ function get_rest_url( $blog_id = null, $path = '/', $scheme = 'rest' ) {
 			$url = get_home_url( $blog_id, rest_get_url_prefix(), $scheme );
 		}
 
-		$url .= '/' . ltrim( $path, '/' );
+		$url .= $path;
 	} else {
 		$url = trailingslashit( get_home_url( $blog_id, '', $scheme ) );
 		// nginx only allows HTTP/1.0 methods when redirecting from / to /index.php
@@ -343,8 +345,6 @@ function get_rest_url( $blog_id = null, $path = '/', $scheme = 'rest' ) {
 			$url .= 'index.php';
 		}
 
-		$path = '/' . ltrim( $path, '/' );
-
 		$url = add_query_arg( 'rest_route', $path, $url );
 	}
 
diff --git a/wp-includes/version.php b/wp-includes/version.php
index f1b34f48a4..6dac456fd7 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.0-alpha-43765';
+$wp_version = '5.0-alpha-43766';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.