diff --git a/changelog/unreleased/enhancement-file-sidebar b/changelog/unreleased/enhancement-file-sidebar
index d0a8d68ca03..44a75504d20 100644
--- a/changelog/unreleased/enhancement-file-sidebar
+++ b/changelog/unreleased/enhancement-file-sidebar
@@ -5,3 +5,4 @@ This makes in place viewing file details, tagging, sharing, and much more possib
 
 https://github.com/owncloud/web/pull/10111
 https://github.com/owncloud/web/pull/10152
+https://github.com/owncloud/web/pull/10344
diff --git a/packages/web-pkg/src/components/SideBar/SideBar.vue b/packages/web-pkg/src/components/SideBar/SideBar.vue
index da9ea11e2dc..fb244b742e7 100644
--- a/packages/web-pkg/src/components/SideBar/SideBar.vue
+++ b/packages/web-pkg/src/components/SideBar/SideBar.vue
@@ -163,7 +163,7 @@ export default defineComponent({
       return panelName
     },
     activePanelName() {
-      return this.activeAvailablePanelName || this.rootPanel.name
+      return this.activeAvailablePanelName || this.rootPanel?.name
     },
     rootPanel() {
       return this.panels.find((panel) => panel.isRoot?.(this.panelContext))