diff --git a/netbox.go b/netbox.go
index 2aa59c5..c9a2eca 100644
--- a/netbox.go
+++ b/netbox.go
@@ -199,7 +199,7 @@ func (c *Client) FetchSessionKey(privatekey string) error {
 	query := form.Encode()
 
 	ctx := context.Background()
-	req, err := http.NewRequestWithContext(ctx, "POST", secretsPath+"/get-session-key/", strings.NewReader(query))
+	req, err := http.NewRequestWithContext(ctx, "POST", c.baseURL.String()+secretsPath+"/get-session-key/", strings.NewReader(query))
 	if err != nil {
 		return err
 	}