diff --git a/netbox.go b/netbox.go
index 8a10a33..089056a 100644
--- a/netbox.go
+++ b/netbox.go
@@ -10,7 +10,6 @@ import (
 	"log"
 	"net/http"
 	"net/url"
-	"strings"
 	"time"
 
 	"github.com/pkg/errors"
@@ -199,7 +198,7 @@ func (c *Client) FetchSessionKey(privatekey string) error {
 	query := form.Encode()
 
 	ctx := context.Background()
-	req, err := c.newRequest(ctx, "POST", secretsPath+"/get-session-key/", "", strings.NewReader(query))
+	req, err := c.newRequest(ctx, "POST", secretsPath+"/get-session-key/", "", query)
 	if err != nil {
 		return err
 	}