diff --git a/cmd/rdpgw/web/rdp.go b/cmd/rdpgw/web/rdp.go
index 179b62f7a85f9708e91bb8e4e1492968a00e2655..bd4be8e2d11359984d8fc3f0874bffedba85b915 100644
--- a/cmd/rdpgw/web/rdp.go
+++ b/cmd/rdpgw/web/rdp.go
@@ -17,6 +17,7 @@ const (
 	SourceNTLM int = iota
 	SourceSmartCard
 	SourceCurrent
+	SourceBasic
 	SourceUserSelect
 	SourceCookie
 )