diff --git a/jsonrpc.go b/jsonrpc.go
index 46cac09..a1da0f3 100644
--- a/jsonrpc.go
+++ b/jsonrpc.go
@@ -392,7 +392,7 @@ func (client *rpcClient) doCall(RPCRequest *RPCRequest) (*RPCResponse, error) {
 
 	httpRequest, err := client.newRequest(RPCRequest)
 	if err != nil {
-		return nil, fmt.Errorf("rpc call %v() on %v: %v", RPCRequest.Method, httpRequest.URL.String(), err.Error())
+		return nil, fmt.Errorf("rpc call %v() on %v: %v", RPCRequest.Method, client.endpoint, err.Error())
 	}
 	httpResponse, err := client.httpClient.Do(httpRequest)
 	if err != nil {
@@ -436,7 +436,7 @@ func (client *rpcClient) doCall(RPCRequest *RPCRequest) (*RPCResponse, error) {
 func (client *rpcClient) doBatchCall(rpcRequest []*RPCRequest) ([]*RPCResponse, error) {
 	httpRequest, err := client.newRequest(rpcRequest)
 	if err != nil {
-		return nil, fmt.Errorf("rpc batch call on %v: %v", httpRequest.URL.String(), err.Error())
+		return nil, fmt.Errorf("rpc batch call on %v: %v", client.endpoint, err.Error())
 	}
 	httpResponse, err := client.httpClient.Do(httpRequest)
 	if err != nil {