diff --git a/lib/nostr.js b/lib/nostr.js
index 857a68fc..63a6de6d 100644
--- a/lib/nostr.js
+++ b/lib/nostr.js
@@ -166,9 +166,10 @@ export default class Nostr {
    * Close all relay connections
    */
   close () {
-    const pool = this.ndk.pool
-    for (const relay of pool.urls()) {
-      pool.removeRelay(relay)
+    for (const pool of this.ndk.pools) {
+      for (const relay of pool.urls()) {
+        pool.removeRelay(relay)
+      }
     }
   }
 }