diff --git a/wp-includes/blocks.php b/wp-includes/blocks.php
index 28e269c1d9..cec2f36925 100644
--- a/wp-includes/blocks.php
+++ b/wp-includes/blocks.php
@@ -20,10 +20,14 @@ function remove_block_asset_path_prefix( $asset_handle_or_path ) {
 	if ( 0 !== strpos( $asset_handle_or_path, $path_prefix ) ) {
 		return $asset_handle_or_path;
 	}
-	return substr(
+	$path = substr(
 		$asset_handle_or_path,
 		strlen( $path_prefix )
 	);
+	if ( strpos( $path, './' ) === 0 ) {
+		$path = substr( $path, 2 );
+	}
+	return $path;
 }
 
 /**
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 54a3df76ed..157726951f 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.0-alpha-52698';
+$wp_version = '6.0-alpha-52699';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.