diff --git a/external/@worldbrain/memex-common b/external/@worldbrain/memex-common
index 31cc7011ed..46f04a9684 160000
--- a/external/@worldbrain/memex-common
+++ b/external/@worldbrain/memex-common
@@ -1 +1 @@
-Subproject commit 31cc7011edda1d7a73d18f0a1dc7a34c1c258bf1
+Subproject commit 46f04a9684c01bba73becf4905e07382ff519f88
diff --git a/src/background.ts b/src/background.ts
index 6ef01cb268..868641b799 100644
--- a/src/background.ts
+++ b/src/background.ts
@@ -41,6 +41,7 @@ import delay from './util/delay'
 import { fetchPageData } from '@worldbrain/memex-common/lib/page-indexing/fetch-page-data'
 import fetchAndExtractPdfContent from '@worldbrain/memex-common/lib/page-indexing/fetch-page-data/fetch-pdf-data.browser'
 import { CloudflareImageSupportBackend } from '@worldbrain/memex-common/lib/image-support/backend'
+import { normalizeUrl } from '@worldbrain/memex-common/lib/url-utils/normalize'
 
 let __debugCounter = 0
 let __BGInitAttemptCounter = 0
@@ -227,6 +228,7 @@ export async function main(): Promise<void> {
     globalThis['analytics'] = analytics
     globalThis['dataSeeders'] = setupDataSeeders(storageManager)
     globalThis['setStorageLoggingEnabled'] = setStorageLoggingEnabled
+    globalThis['normalizeUrl'] = normalizeUrl
 
     if (process.env.NODE_ENV === 'development') {
         globalThis['selfTests'] = createSelfTests({