diff --git a/src/main/kotlin/io/emeraldpay/dshackle/upstream/ethereum/EthereumUpstreamValidator.kt b/src/main/kotlin/io/emeraldpay/dshackle/upstream/ethereum/EthereumUpstreamValidator.kt
index 7a0f5c50..f8795771 100644
--- a/src/main/kotlin/io/emeraldpay/dshackle/upstream/ethereum/EthereumUpstreamValidator.kt
+++ b/src/main/kotlin/io/emeraldpay/dshackle/upstream/ethereum/EthereumUpstreamValidator.kt
@@ -186,8 +186,8 @@ open class EthereumUpstreamValidator @JvmOverloads constructor(
                         TransactionCallJson(
                             Address.from(callLimitContract),
                             // calling contract with param 200_000, meaning it will generate 200k symbols or response
-                            // 30ce0 + metadata — 200_000k
-                            HexData.from("0xd8a26e3a0000000000000000000000000000000000000000000000000000000000030ce0")
+                            // f4240 + metadata — ~1 million
+                            HexData.from("0xd8a26e3a00000000000000000000000000000000000000000000000000000000000f4240")
                         ),
                         "latest"
                     )
@@ -199,7 +199,7 @@ open class EthereumUpstreamValidator @JvmOverloads constructor(
                 if (it.message != null && it.message!!.contains("rpc.returndata.limit")) {
                     log.warn(
                         "Error: ${it.message}. Node ${upstream.getId()} is probably incorrectly configured. " +
-                            "You need to set up your return limit to at least 200000. " +
+                            "You need to set up your return limit to at least 1_100_000. " +
                             "Erigon config example: https://github.com/ledgerwatch/erigon/blob/d014da4dc039ea97caf04ed29feb2af92b7b129d/cmd/utils/flags.go#L369"
                     )
                     Mono.just(false)
diff --git a/src/test/groovy/io/emeraldpay/dshackle/upstream/ethereum/EthereumUpstreamValidatorSpec.groovy b/src/test/groovy/io/emeraldpay/dshackle/upstream/ethereum/EthereumUpstreamValidatorSpec.groovy
index 1bf07265..5652dd0c 100644
--- a/src/test/groovy/io/emeraldpay/dshackle/upstream/ethereum/EthereumUpstreamValidatorSpec.groovy
+++ b/src/test/groovy/io/emeraldpay/dshackle/upstream/ethereum/EthereumUpstreamValidatorSpec.groovy
@@ -294,7 +294,7 @@ class EthereumUpstreamValidatorSpec extends Specification {
             3 * getIngressReader() >> Mock(Reader) {
                 1 * read(new JsonRpcRequest("eth_call", [new TransactionCallJson(
                         Address.from("0x32268860cAAc2948Ab5DdC7b20db5a420467Cf96"),
-                        HexData.from("0xd8a26e3a0000000000000000000000000000000000000000000000000000000000030ce0")
+                        HexData.from("0xd8a26e3a00000000000000000000000000000000000000000000000000000000000f4240")
                 ), "latest"])) >> Mono.just(new JsonRpcResponse("0x00000000000000000000".getBytes(), null))
                 1 * read(new JsonRpcRequest("eth_blockNumber", [])) >> Mono.just(new JsonRpcResponse('"0x10ff9be"'.getBytes(), null))
                 1 * read(new JsonRpcRequest("eth_getBlockByNumber", ["0x10fd2ae", false])) >>
@@ -318,7 +318,7 @@ class EthereumUpstreamValidatorSpec extends Specification {
             3 * getIngressReader() >> Mock(Reader) {
                 1 * read(new JsonRpcRequest("eth_call", [new TransactionCallJson(
                         Address.from("0x32268860cAAc2948Ab5DdC7b20db5a420467Cf96"),
-                        HexData.from("0xd8a26e3a0000000000000000000000000000000000000000000000000000000000030ce0")
+                        HexData.from("0xd8a26e3a00000000000000000000000000000000000000000000000000000000000f4240")
                 ), "latest"])) >> Mono.just(new JsonRpcResponse(null, new JsonRpcError(1, "Too long")))
                 1 * read(new JsonRpcRequest("eth_blockNumber", [])) >> Mono.just(new JsonRpcResponse('"0x10ff9be"'.getBytes(), null))
                 1 * read(new JsonRpcRequest("eth_getBlockByNumber", ["0x10fd2ae", false])) >>
@@ -386,7 +386,7 @@ class EthereumUpstreamValidatorSpec extends Specification {
                 1 * read(new JsonRpcRequest("net_version", emptyList())) >> Mono.just(new JsonRpcResponse('"1"'.getBytes(), null))
                 1 * read(new JsonRpcRequest("eth_call", [new TransactionCallJson(
                         Address.from("0x32268860cAAc2948Ab5DdC7b20db5a420467Cf96"),
-                        HexData.from("0xd8a26e3a0000000000000000000000000000000000000000000000000000000000030ce0")
+                        HexData.from("0xd8a26e3a00000000000000000000000000000000000000000000000000000000000f4240")
                 ), "latest"])) >> Mono.just(new JsonRpcResponse("0x00000000000000000000".getBytes(), null))
                 1 * read(new JsonRpcRequest("eth_blockNumber", [])) >> Mono.just(new JsonRpcResponse('"0x10ff9be"'.getBytes(), null))
                 1 * read(new JsonRpcRequest("eth_getBlockByNumber", ["0x10fd2ae", false])) >>
@@ -410,7 +410,7 @@ class EthereumUpstreamValidatorSpec extends Specification {
                 1 * read(new JsonRpcRequest("net_version", emptyList())) >> Mono.just(new JsonRpcResponse(null, new JsonRpcError(1, "Too long")))
                 1 * read(new JsonRpcRequest("eth_call", [new TransactionCallJson(
                         Address.from("0x32268860cAAc2948Ab5DdC7b20db5a420467Cf96"),
-                        HexData.from("0xd8a26e3a0000000000000000000000000000000000000000000000000000000000030ce0")
+                        HexData.from("0xd8a26e3a00000000000000000000000000000000000000000000000000000000000f4240")
                 ), "latest"])) >> Mono.just(new JsonRpcResponse(null, new JsonRpcError(1, "Too long")))
                 1 * read(new JsonRpcRequest("eth_blockNumber", [])) >> Mono.just(new JsonRpcResponse('"0x10ff9be"'.getBytes(), null))
                 1 * read(new JsonRpcRequest("eth_getBlockByNumber", ["0x10fd2ae", false])) >>