diff --git a/index.js b/index.js
index 3c22f1d..9e770f4 100644
--- a/index.js
+++ b/index.js
@@ -51,7 +51,7 @@ class LSD extends EventEmitter {
 
       const parsedAnnounce = this._parseAnnounce(msg.toString())
 
-      if (parsedAnnounce == null) return
+      if (parsedAnnounce === null) return
       if (parsedAnnounce.cookie === this.cookie) return
 
       parsedAnnounce.infoHash.forEach(infoHash => {
@@ -70,7 +70,7 @@ class LSD extends EventEmitter {
 
   _parseAnnounce (announce) {
     const checkHost = (host) => {
-      return /^(239.192.152.143|\[ff15::efc0:988f\]):6771$/.test(host)
+      return /^(239.192.152.143|\[ff15::efc0:988f]):6771$/.test(host)
     }
 
     const checkPort = (port) => {
diff --git a/test/basic.js b/test/basic.js
index d6f65f3..1faf919 100644
--- a/test/basic.js
+++ b/test/basic.js
@@ -53,12 +53,12 @@ test('should emit peer when receiving a valid announce', t => {
   })
 
   lsd.on('peer', (peerAddress, infoHash) => {
-    const ip = Object.values(os.networkInterfaces())
+    const addresses = Object.values(os.networkInterfaces())
       .flatMap(i => i)
       .filter(i => !i.internal && i.family === 'IPv4')
-      .reduce((acc, cur) => cur.address, '')
+      .map(i => `${i.address}:${port}`)
 
-    t.equal(peerAddress, `${ip}:${port}`)
+    t.ok(addresses.includes(peerAddress))
     t.equal(infoHash, infoHash)
 
     lsd.destroy(() => t.end())