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Diffstat (limited to 'toolkit/content/widgets/notificationbox.js')
| -rw-r--r-- | toolkit/content/widgets/notificationbox.js | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/toolkit/content/widgets/notificationbox.js b/toolkit/content/widgets/notificationbox.js index f23fb03a74..0161588853 100644 --- a/toolkit/content/widgets/notificationbox.js +++ b/toolkit/content/widgets/notificationbox.js @@ -622,7 +622,7 @@ async function createNotificationMessageElement() { await window.ensureCustomElements("moz-message-bar"); - let MozMessageBar = customElements.get("moz-message-bar"); + let MozMessageBar = await customElements.whenDefined("moz-message-bar"); class NotificationMessage extends MozMessageBar { static queries = { ...MozMessageBar.queries, |