diff --git a/src/ui/overrides.tsx b/src/ui/overrides.tsx
index 7384557..729516e 100644
--- a/src/ui/overrides.tsx
+++ b/src/ui/overrides.tsx
@@ -289,15 +289,12 @@ export const overrides: TLUiOverrides = {
         kbd: "alt+b",
         readonlyOk: true,
         onSelect: () => {
-          const otherUsers = Array.from(editor.store.allRecords()).filter(
-            (record) =>
-              record.typeName === "instance_presence" &&
-              record.id !== editor.user.getId(),
-          )
-
-          otherUsers.forEach((user) => {
-            editor.startFollowingUser(user.id)
-          })
+          const collaborators = editor.getCollaborators()
+          collaborators
+            .filter((user) => user.id !== editor.user.getId())
+            .forEach((user) => {
+              editor.startFollowingUser(user.id)
+            })
         },
       },
       stopBroadcast: {
diff --git a/worker/worker.ts b/worker/worker.ts
index 28728de..32606a5 100644
--- a/worker/worker.ts
+++ b/worker/worker.ts
@@ -40,7 +40,7 @@ const { preflight, corsify } = cors({
     // For development - check if it's a localhost or local IP
     if (
       origin.match(
-        /^http:\/\/(localhost|127\.0\.0\.192\.168\.|169\.254\.|10\.)/,
+        /^http:\/\/(localhost|127\.0\.0\.1|192\.168\.|169\.254\.|10\.)/,
       )
     ) {
       return origin