diff --git a/libs/blocks/locui/actions/index.js b/libs/blocks/locui/actions/index.js
index 61fb3c8bdf..33cf584add 100644
--- a/libs/blocks/locui/actions/index.js
+++ b/libs/blocks/locui/actions/index.js
@@ -125,7 +125,7 @@ export async function findFragments() {
     if (fragments.length > 0) {
       fragments.forEach((fragment) => {
         // De-dupe across pages that share fragments
-        const dupe = acc.some((url) => url[0] === fragment.href);
+        const dupe = acc.some((url) => url[0]?.href === fragment.href);
         if (!dupe) acc.push([fragment]);
       });
     }