diff --git a/quartz/src/commonMain/kotlin/com/vitorpamplona/quartz/nip47WalletConnect/kotlinSerialization/Nip47ResponseKSerializer.kt b/quartz/src/commonMain/kotlin/com/vitorpamplona/quartz/nip47WalletConnect/kotlinSerialization/Nip47ResponseKSerializer.kt
index 78e4c435f..7c124de3c 100644
--- a/quartz/src/commonMain/kotlin/com/vitorpamplona/quartz/nip47WalletConnect/kotlinSerialization/Nip47ResponseKSerializer.kt
+++ b/quartz/src/commonMain/kotlin/com/vitorpamplona/quartz/nip47WalletConnect/kotlinSerialization/Nip47ResponseKSerializer.kt
@@ -229,7 +229,7 @@ object Nip47ResponseKSerializer : KSerializer<Response> {
         return ListTransactionsSuccessResponse(
             result?.let {
                 ListTransactionsSuccessResponse.ListTransactionsResult(
-                    transactions = it["transactions"]?.jsonArray?.map { t -> parseTransaction(t.jsonObject) },
+                    transactions = it["transactions"]?.jsonArray?.mapNotNull { t -> parseTransaction(t.jsonObject) },
                     total_count = it["total_count"]?.jsonPrimitive?.longOrNull,
                 )
             },