diff --git a/Sources/Core/EthereumNetwork/Request/APIRequest+Methods.swift b/Sources/Core/EthereumNetwork/Request/APIRequest+Methods.swift
index b01e51f6c..127bd8e6b 100644
--- a/Sources/Core/EthereumNetwork/Request/APIRequest+Methods.swift
+++ b/Sources/Core/EthereumNetwork/Request/APIRequest+Methods.swift
@@ -127,7 +127,7 @@ fileprivate enum JsonRpcErrorCode {
         case -32603:
             return .internalError
         default:
-            if (-32000)...(-32099) ~= code {
+            if (-32099)...(-32000) ~= code {
                 return .serverError(code)
             }
             return nil