diff --git a/src/lib/components/ribbon/Ribbon.svelte b/src/lib/components/ribbon/Ribbon.svelte
index de10031..b737252 100644
--- a/src/lib/components/ribbon/Ribbon.svelte
+++ b/src/lib/components/ribbon/Ribbon.svelte
@@ -142,7 +142,7 @@
 </script>
 
 <div class="ribbon">
-  <div class="ribbon-tabs">
+  <div class="ribbon-tabs" class:strip-only={collapsed}>
     <div class="file-tab-wrap" use:clickOutside={'file'}>
       <button
         class="ribbon-tab-file"
@@ -382,6 +382,10 @@
     padding: 3px 10px 0;
   }
 
+  /* The active tab's underline hangs below its box, onto the band. Collapsed there
+     is no band, so the strip lends it the room instead of the bottom border. */
+  .ribbon-tabs.strip-only { padding-bottom: 5px; }
+
   .ribbon-tab {
     position: relative;
     border: none;