diff --git a/oauth/authcode.go b/oauth/authcode.go
index c3c2a6f..c44dfd0 100644
--- a/oauth/authcode.go
+++ b/oauth/authcode.go
@@ -196,7 +196,7 @@ type AuthorizationCodeTokenSource struct {
 
 func (ac *AuthorizationCodeTokenSource) getRedirectUrl() string {
 	if ac.RedirectURL == "" {
-		return "http://localhost:8484"
+		return "http://localhost:8484/"
 	}
 
 	return ac.RedirectURL