diff --git a/src-ui/e2e/admin/settings.spec.ts b/src-ui/e2e/admin/settings.spec.ts
index edff75b28..3d67fd340 100644
--- a/src-ui/e2e/admin/settings.spec.ts
+++ b/src-ui/e2e/admin/settings.spec.ts
@@ -1,5 +1,10 @@
 import { expect, test } from '@playwright/test'
 import path from 'node:path'
+import { mockFilterSelectionData } from '../mock-filter-selection-data'
+
+test.beforeEach(async ({ page }) => {
+  await mockFilterSelectionData(page)
+})
 
 const REQUESTS_HAR = path.join(__dirname, 'requests/api-settings.har')
 
diff --git a/src-ui/e2e/dashboard/dashboard.spec.ts b/src-ui/e2e/dashboard/dashboard.spec.ts
index 801f431f3..d4c367a12 100644
--- a/src-ui/e2e/dashboard/dashboard.spec.ts
+++ b/src-ui/e2e/dashboard/dashboard.spec.ts
@@ -1,5 +1,10 @@
 import { expect, test } from '@playwright/test'
 import path from 'node:path'
+import { mockFilterSelectionData } from '../mock-filter-selection-data'
+
+test.beforeEach(async ({ page }) => {
+  await mockFilterSelectionData(page)
+})
 
 const REQUESTS_HAR1 = path.join(__dirname, 'requests/api-dashboard1.har')
 const REQUESTS_HAR2 = path.join(__dirname, 'requests/api-dashboard2.har')
diff --git a/src-ui/e2e/document-detail/document-detail.spec.ts b/src-ui/e2e/document-detail/document-detail.spec.ts
index ba10745ec..ed709e569 100644
--- a/src-ui/e2e/document-detail/document-detail.spec.ts
+++ b/src-ui/e2e/document-detail/document-detail.spec.ts
@@ -1,5 +1,10 @@
 import { expect, test } from '@playwright/test'
 import path from 'node:path'
+import { mockFilterSelectionData } from '../mock-filter-selection-data'
+
+test.beforeEach(async ({ page }) => {
+  await mockFilterSelectionData(page)
+})
 
 const REQUESTS_HAR = path.join(__dirname, 'requests/api-document-detail.har')
 const REQUESTS_HAR2 = path.join(__dirname, 'requests/api-document-detail2.har')
diff --git a/src-ui/e2e/document-list/document-list.spec.ts b/src-ui/e2e/document-list/document-list.spec.ts
index 0cea8effa..7abb06aae 100644
--- a/src-ui/e2e/document-list/document-list.spec.ts
+++ b/src-ui/e2e/document-list/document-list.spec.ts
@@ -1,5 +1,10 @@
 import { expect, test } from '@playwright/test'
 import path from 'node:path'
+import { mockFilterSelectionData } from '../mock-filter-selection-data'
+
+test.beforeEach(async ({ page }) => {
+  await mockFilterSelectionData(page)
+})
 
 const REQUESTS_HAR1 = path.join(__dirname, 'requests/api-document-list1.har')
 const REQUESTS_HAR2 = path.join(__dirname, 'requests/api-document-list2.har')
diff --git a/src-ui/e2e/mock-filter-selection-data.ts b/src-ui/e2e/mock-filter-selection-data.ts
new file mode 100644
index 000000000..744aaffd5
--- /dev/null
+++ b/src-ui/e2e/mock-filter-selection-data.ts
@@ -0,0 +1,27 @@
+import { Page } from '@playwright/test'
+
+const EMPTY_SELECTION_DATA = {
+  selected_correspondents: [],
+  selected_tags: [],
+  selected_document_types: [],
+  selected_storage_paths: [],
+  selected_custom_fields: [],
+}
+
+/**
+ * The document list now fires a GET to filter_selection_data on every
+ * non-search reload(), independent of and concurrent with the main list
+ * request. It's not present in any of the recorded HAR fixtures, so with
+ * `notFound: 'fallback'` it would otherwise fall through to the real
+ * network (nothing listens there in e2e, since only the frontend dev
+ * server is started) and fail every test that reloads the list.
+ *
+ * Playwright checks routes in reverse-registration order, so this must be
+ * registered before a test's own page.routeFromHAR() call for the HAR
+ * route's `notFound: 'fallback'` to defer back to this one.
+ */
+export async function mockFilterSelectionData(page: Page) {
+  await page.route('**/api/documents/filter_selection_data/**', (route) =>
+    route.fulfill({ json: EMPTY_SELECTION_DATA })
+  )
+}
diff --git a/src-ui/e2e/permissions/global-permissions.spec.ts b/src-ui/e2e/permissions/global-permissions.spec.ts
index 7021b6d9b..005ddc7e8 100644
--- a/src-ui/e2e/permissions/global-permissions.spec.ts
+++ b/src-ui/e2e/permissions/global-permissions.spec.ts
@@ -1,5 +1,10 @@
 import { expect, test } from '@playwright/test'
 import path from 'node:path'
+import { mockFilterSelectionData } from '../mock-filter-selection-data'
+
+test.beforeEach(async ({ page }) => {
+  await mockFilterSelectionData(page)
+})
 
 const REQUESTS_HAR = path.join(__dirname, 'requests/api-global-permissions.har')