diff --git a/nostr.go b/nostr.go
index 82c1362..82d977f 100644
--- a/nostr.go
+++ b/nostr.go
@@ -176,5 +176,6 @@ func relaysForPubkey(ctx context.Context, pubkey string, extraRelays ...string)
 			cache.SetJSONWithTTL("io:"+pubkey, pubkeyRelays, time.Hour*24*7)
 		}
 	}
+	pubkeyRelays = unique(pubkeyRelays)
 	return pubkeyRelays
 }