diff --git a/js/ui/status/thunderbolt.js b/js/ui/status/thunderbolt.js
index 8362b5d73..b7dadbc66 100644
--- a/js/ui/status/thunderbolt.js
+++ b/js/ui/status/thunderbolt.js
@@ -334,7 +334,7 @@ var Indicator = class extends PanelMenu.SystemIndicator {
 
     _onEnrollFailed(obj, device, error) {
 	const title = _("Thunderbolt authorization error");
-	const body = _("Could not authorize the Thunderbolt device: %s".format(error.message));
+	const body = _("Could not authorize the Thunderbolt device: %s").format(error.message);
 	this._notify(title, body);
     }
 };