diff --git a/controller/token.go b/controller/token.go
index 057be045..50da7e33 100644
--- a/controller/token.go
+++ b/controller/token.go
@@ -1,6 +1,7 @@
 package controller
 
 import (
+	"fmt"
 	"net/http"
 	"strconv"
 	"strings"