diff --git a/wp-includes/media-template.php b/wp-includes/media-template.php
index c679cc011b..c3f78d780c 100644
--- a/wp-includes/media-template.php
+++ b/wp-includes/media-template.php
@@ -325,7 +325,7 @@ function wp_print_media_templates() {
{{ data.fileLength }}
<# } #>
- <# if ( 'audio' === data.type && data.meta && data.meta.bitrate ) { #>
+ <# if ( 'audio' === data.type && data.meta.bitrate ) { #>
{{ Math.round( data.meta.bitrate / 1000 ) }}kb/s
<# if ( data.meta.bitrate_mode ) { #>
diff --git a/wp-includes/media.php b/wp-includes/media.php
index cd32ae1c6c..b4f24e6cf0 100644
--- a/wp-includes/media.php
+++ b/wp-includes/media.php
@@ -2628,6 +2628,7 @@ function wp_prepare_attachment_for_js( $attachment ) {
'edit' => false
),
'editLink' => false,
+ 'meta' => false,
);
$author = new WP_User( $attachment->post_author );
@@ -2725,6 +2726,8 @@ function wp_prepare_attachment_for_js( $attachment ) {
$response['meta'] = array();
foreach ( wp_get_attachment_id3_keys( $attachment, 'js' ) as $key => $label ) {
+ $response['meta'][ $key ] = false;
+
if ( ! empty( $meta[ $key ] ) ) {
$response['meta'][ $key ] = $meta[ $key ];
}