diff --git a/editor/css/editor-libs/common.css b/editor/css/editor-libs/common.css
index d2e601d2b..bddb0876b 100644
--- a/editor/css/editor-libs/common.css
+++ b/editor/css/editor-libs/common.css
@@ -467,6 +467,7 @@ body {
 .output-header.full-border {
   border: 1px solid var(--border-primary);
   border-width: 1px 1px 0 1px;
+  border-radius: var(--button-radius) var(--button-radius) 0 0;
 }
 
 .output-heading {