diff --git a/client/client.go b/client/client.go
index 4bceba9..3b6c1ee 100644
--- a/client/client.go
+++ b/client/client.go
@@ -16,10 +16,6 @@ import (
 	"forge.cadoles.com/wpetit/go-http-peering/server"
 )
 
-const (
-	DefaultBody = "{}"
-)
-
 var (
 	ErrInvalidPrivateKey  = errors.New("invalid private key")
 	ErrUnexpectedResponse = errors.New("unexpected response")
@@ -177,7 +173,7 @@ func (c *Client) addClientToken(r *http.Request, body []byte) error {
 
 func (c *Client) createBodySum(body []byte) ([]byte, error) {
 	if body == nil || len(body) == 0 {
-		body = []byte(DefaultBody)
+		body = []byte("")
 	}
 	sha := sha256.New()
 	_, err := sha.Write(body)