diff --git a/changelog/unreleased/bugfix-public-folder-reload b/changelog/unreleased/bugfix-public-folder-reload
new file mode 100644
index 00000000000..11330fd62ed
--- /dev/null
+++ b/changelog/unreleased/bugfix-public-folder-reload
@@ -0,0 +1,6 @@
+Bugfix: Public folder reload
+
+Reloading a folder on a public link page is no longer broken.
+
+https://github.com/owncloud/web/pull/11904
+https://github.com/owncloud/web/issues/11902
diff --git a/packages/web-pkg/src/composables/piniaStores/resources.ts b/packages/web-pkg/src/composables/piniaStores/resources.ts
index 87d91dbc5be..40ee4d59d80 100644
--- a/packages/web-pkg/src/composables/piniaStores/resources.ts
+++ b/packages/web-pkg/src/composables/piniaStores/resources.ts
@@ -293,12 +293,14 @@ export const useResourcesStore = defineStore('resources', () => {
         } else {
           const { parentFolderId } = Object.values(data)[0]
           const space = spacesStore.spaces.find(({ id }) => parentFolderId.startsWith(id))
-          data['/'] = {
-            id: space.id,
-            shareTypes: space.shareTypes,
-            parentFolderId: space.id,
-            spaceId: space.id,
-            path: '/'
+          if (space) {
+            data['/'] = {
+              id: space.id,
+              shareTypes: space.shareTypes,
+              parentFolderId: space.id,
+              spaceId: space.id,
+              path: '/'
+            }
           }
         }
       }