diff --git a/src/zen/folders/zen-folders.css b/src/zen/folders/zen-folders.css
index d4364396d..3d45c8f9f 100644
--- a/src/zen/folders/zen-folders.css
+++ b/src/zen/folders/zen-folders.css
@@ -6,6 +6,8 @@
 
 tab-group[split-view-group] {
   display: block;
+  min-width: 100%;
+
   @media (prefers-reduced-motion: no-preference) {
     transition: var(--zen-tabbox-element-indent-transition);
 
diff --git a/src/zen/kbs/ZenKeyboardShortcuts.mjs b/src/zen/kbs/ZenKeyboardShortcuts.mjs
index db12699f6..38d26448a 100644
--- a/src/zen/kbs/ZenKeyboardShortcuts.mjs
+++ b/src/zen/kbs/ZenKeyboardShortcuts.mjs
@@ -955,10 +955,10 @@ class nsZenKeyboardShortcutsVersioner {
       data.push(
         new KeyShortcut(
           'zen-toggle-sidebar',
-          'B',
+          '',
           '',
           ZEN_OTHER_SHORTCUTS_GROUP,
-          nsKeyShortcutModifiers.fromObject({ alt: true }),
+          nsKeyShortcutModifiers.fromObject({}),
           'cmd_zenToggleSidebar',
           'zen-sidebar-shortcut-toggle'
         )