diff --git a/src/main/kotlin/io/emeraldpay/dshackle/upstream/rpcclient/JsonRpcHttpClient.kt b/src/main/kotlin/io/emeraldpay/dshackle/upstream/rpcclient/JsonRpcHttpClient.kt
index d40f2516..13d0808e 100644
--- a/src/main/kotlin/io/emeraldpay/dshackle/upstream/rpcclient/JsonRpcHttpClient.kt
+++ b/src/main/kotlin/io/emeraldpay/dshackle/upstream/rpcclient/JsonRpcHttpClient.kt
@@ -131,7 +131,7 @@ class JsonRpcHttpClient(
         return Function { resp ->
             resp.flatMap {
                 if (it.hasError()) {
-                    Mono.error(JsonRpcException(it.id, it.error!!))
+                    Mono.error(JsonRpcException(it.id, it.error!!, false))
                 } else {
                     Mono.just(it)
                 }