diff --git a/gtk/theme/Adwaita/_common.scss b/gtk/theme/Adwaita/_common.scss
index da3d2dbaba..91f5a431f6 100644
--- a/gtk/theme/Adwaita/_common.scss
+++ b/gtk/theme/Adwaita/_common.scss
@@ -1865,7 +1865,7 @@ popover.background {
  * Notebooks *
  *************/
 notebook {
-  @include focus-ring("> header > tabs > tab", $offset: -7px);
+  @include focus-ring("> header > tabs > tab", $offset: -7px, $within: true);
 
   > header {
     padding: 1px;