diff --git a/ext/mixed/css/display.css b/ext/mixed/css/display.css
index 06c2a2e0..6bea1ad2 100644
--- a/ext/mixed/css/display.css
+++ b/ext/mixed/css/display.css
@@ -389,7 +389,8 @@ a {
 }
 .content-sidebar[hidden][data-has-navigation-previous=true],
 .content-sidebar[hidden][data-has-navigation-next=true],
-:root[data-popup-action-bar-visibility=always] .content-sidebar {
+:root[data-popup-action-bar-visibility=always] .content-sidebar,
+:root[data-profile-panel-visible=true] .content-sidebar {
     display: block;
 }
 .content-sidebar-inner {
diff --git a/ext/mixed/js/display-profile-selection.js b/ext/mixed/js/display-profile-selection.js
index 357a2a85..0a44392e 100644
--- a/ext/mixed/js/display-profile-selection.js
+++ b/ext/mixed/js/display-profile-selection.js
@@ -59,6 +59,7 @@ class DisplayProfileSelection {
     _setProfilePanelVisible(visible) {
         this._profilePanel.setVisible(visible);
         this._profileButton.classList.toggle('sidebar-button-highlight', visible);
+        document.documentElement.dataset.profilePanelVisible = `${visible}`;
         if (visible && this._profileListNeedsUpdate) {
             this._updateProfileList();
         }