diff --git a/internal/token.go b/internal/token.go
index 5ab17b9..0f5b989 100644
--- a/internal/token.go
+++ b/internal/token.go
@@ -134,6 +134,7 @@ var brokenAuthHeaderProviders = []string{
 	"https://stackoverflow.com/oauth/access_token",
 	"https://account.health.nokia.com",
 	"https://accounts.zoho.com",
+	"https://gitter.im/login/oauth/token",
 }
 
 // brokenAuthHeaderDomains lists broken providers that issue dynamic endpoints.