diff --git a/src/main/kotlin/io/emeraldpay/dshackle/upstream/ethereum/DirectEthereumApi.kt b/src/main/kotlin/io/emeraldpay/dshackle/upstream/ethereum/DirectEthereumApi.kt
index fe0151ad..b5304472 100644
--- a/src/main/kotlin/io/emeraldpay/dshackle/upstream/ethereum/DirectEthereumApi.kt
+++ b/src/main/kotlin/io/emeraldpay/dshackle/upstream/ethereum/DirectEthereumApi.kt
@@ -42,7 +42,7 @@ open class DirectEthereumApi(
         }
         return result
                 .doOnError { t ->
-                    log.warn("Upstream error: ${t.message} for ${method}")
+                    log.warn("Upstream error: [${t.message}] for ${method}")
                 }
                 .map {
                     val resp = ResponseJson<Any, Int>()
diff --git a/src/main/kotlin/io/emeraldpay/dshackle/upstream/grpc/EthereumGrpcTransport.kt b/src/main/kotlin/io/emeraldpay/dshackle/upstream/grpc/EthereumGrpcTransport.kt
index 584eee0e..ac1735e6 100644
--- a/src/main/kotlin/io/emeraldpay/dshackle/upstream/grpc/EthereumGrpcTransport.kt
+++ b/src/main/kotlin/io/emeraldpay/dshackle/upstream/grpc/EthereumGrpcTransport.kt
@@ -124,7 +124,7 @@ class EthereumGrpcTransport(
                 .map(asStatus)
                 .doFinally {
                     mapping.values.forEach { bi ->
-                        bi.onError(RpcException(-32603, "RPC response not received"))
+                        bi.onError(RpcException(-32603, "RPC response not received for ${bi.call.method}"))
                     }
                 }
                 .timeout(Duration.ofSeconds(15))