diff --git a/src/peer-store/persistent/index.js b/src/peer-store/persistent/index.js
index 0cf54c0d9e..8a3cb777ce 100644
--- a/src/peer-store/persistent/index.js
+++ b/src/peer-store/persistent/index.js
@@ -210,7 +210,7 @@ class PersistentPeerStore extends PeerStore {
 
     try {
       // Deleted from the book
-      if (!peerId.pubKey) {
+      if (!this.keyBook.data.get(peerId.toB58String())) {
         batch.delete(key)
         return
       }
diff --git a/test/fixtures/browser.js b/test/fixtures/browser.js
index 3b2c02654a..f5f33259dc 100644
--- a/test/fixtures/browser.js
+++ b/test/fixtures/browser.js
@@ -3,5 +3,5 @@
 const multiaddr = require('multiaddr')
 
 module.exports.MULTIADDRS_WEBSOCKETS = [
-multiaddr('/ip4/127.0.0.1/tcp/15001/ws/p2p/12D3KooWHFKTMzwerBtsVmtz4ZZEQy2heafxzWw6wNn5PPYkBxJ5')
+  multiaddr('/ip4/127.0.0.1/tcp/15001/ws/p2p/12D3KooWHFKTMzwerBtsVmtz4ZZEQy2heafxzWw6wNn5PPYkBxJ5')
 ]