diff --git a/src/pkg/xgb/Makefile b/src/pkg/xgb/Makefile
index a2b23a6ab0..cd83c5e707 100644
--- a/src/pkg/xgb/Makefile
+++ b/src/pkg/xgb/Makefile
@@ -6,6 +6,7 @@ include ../../Make.$(GOARCH)
 
 TARG=xgb
 GOFILES=\
+	auth.go\
 	xgb.go\
 	xproto.go\