diff --git a/ballerina/client.bal b/ballerina/client.bal
index 1a8ac6e..350156e 100644
--- a/ballerina/client.bal
+++ b/ballerina/client.bal
@@ -24,7 +24,7 @@ public isolated client class Client {
     # + config - The configurations to be used when initializing the `connector` 
     # + serviceUrl - URL of the target service 
     # + return - An error if connector initialization failed 
-    public isolated function init(string serviceUrl, ConnectionConfig config =  {}) returns error? {
+    public isolated function init(string serviceUrl, *ConnectionConfig config) returns error? {
         http:ClientConfiguration httpClientConfig = {httpVersion: config.httpVersion, timeout: config.timeout, forwarded: config.forwarded, poolConfig: config.poolConfig, compression: config.compression, circuitBreaker: config.circuitBreaker, retryConfig: config.retryConfig, validation: config.validation};
         do {
             if config.auth is http:ClientAuthConfig {