Tabs: Fix default `classes` option

Fixes #14973

diff --git a/ui/widgets/tabs.js b/ui/widgets/tabs.js
index a0a967c56efa211c63cd0309c39fa0ba825bfd52..9783078d63dfc84d0640edf8274ab78e103f98ef 100644 (file)
--- a/ui/widgets/tabs.js
+++ b/ui/widgets/tabs.js
@@ -44,7 +44,7 @@ $.widget( "ui.tabs", {
                classes: {
                        "ui-tabs": "ui-corner-all",
                        "ui-tabs-nav": "ui-corner-all",
-                       "ui-tab": "ui-corner-top",
+                       "ui-tabs-tab": "ui-corner-top",
                        "ui-tabs-panel": "ui-corner-bottom"
                },
                collapsible: false,