diff --git a/netbox.go b/netbox.go
index c9a2eca..1e9cd12 100644
--- a/netbox.go
+++ b/netbox.go
@@ -215,7 +215,7 @@ func (c *Client) FetchSessionKey(privatekey string) error {
 
 	var sessionkey NetBoxSessionKey
 
-	res, err := c.do(req, sessionkey)
+	res, err := c.do(req, &sessionkey)
 	if err != nil {
 		return err
 	}