diff --git a/quartz/src/commonMain/kotlin/com/vitorpamplona/quartz/nip01Core/relay/client/pool/PoolEventOutbox.kt b/quartz/src/commonMain/kotlin/com/vitorpamplona/quartz/nip01Core/relay/client/pool/PoolEventOutbox.kt
index bea12865f..fbde09652 100644
--- a/quartz/src/commonMain/kotlin/com/vitorpamplona/quartz/nip01Core/relay/client/pool/PoolEventOutbox.kt
+++ b/quartz/src/commonMain/kotlin/com/vitorpamplona/quartz/nip01Core/relay/client/pool/PoolEventOutbox.kt
@@ -111,8 +111,8 @@ class PoolEventOutbox {
         relay: NormalizedRelayUrl,
         msg: Message,
     ) {
-        when (msg) {
-            is OkMessage -> newResponse(msg.eventId, relay, msg.success, msg.message)
+        if (msg is OkMessage) {
+            newResponse(msg.eventId, relay, msg.success, msg.message)
         }
     }